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23031423340404 = 22337163318236657
BaseRepresentation
bin1010011110010011010111…
…10011101000111101110100
310000112210010111021212110020
411033021223303220331310
511004321323333343104
6120552253444525140
74564652066201223
oct517115363507564
9100483114255406
1023031423340404
11737a632058526
1226bb7890b07b0
13cb0b1403a18b
14598a26628cba
1529e1781592d9
hex14f26bce8f74

23031423340404 has 48 divisors (see below), whose sum is σ = 55531023874368. Its totient is φ = 7423824711168.

The previous prime is 23031423340381. The next prime is 23031423340481. The reversal of 23031423340404 is 40404332413032.

It is a happy number.

It is a super-2 number, since 2×230314233404042 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159045957 + ... + 159190700.

It is an arithmetic number, because the mean of its divisors is an integer number (1156896330716).

Almost surely, 223031423340404 is an apocalyptic number.

It is an amenable number.

23031423340404 is an abundant number, since it is smaller than the sum of its proper divisors (32499600533964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23031423340404 is a wasteful number, since it uses less digits than its factorization.

23031423340404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318236864 (or 318236862 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 23031423340404 its reverse (40404332413032), we get a palindrome (63435755753436).

The spelling of 23031423340404 in words is "twenty-three trillion, thirty-one billion, four hundred twenty-three million, three hundred forty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 37 74 111 148 163 222 326 444 489 652 978 1956 6031 12062 18093 24124 36186 72372 318236657 636473314 954709971 1272946628 1909419942 3818839884 11774756309 23549512618 35324268927 47099025236 51872575091 70648537854 103745150182 141297075708 155617725273 207490300364 311235450546 622470901092 1919285278367 3838570556734 5757855835101 7677141113468 11515711670202 23031423340404