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23231131031223 = 3210877532372999
BaseRepresentation
bin1010100100000111010110…
…10100000001011010110111
310001020212121110112201010200
411102003223110001122313
511021104324020444343
6121224122333451543
74615252040436663
oct522035324013267
9101225543481120
1023231131031223
1174472a3918495
122732422940bb3
13cc68bc92202b
145a456d9798a3
152a4465add4d3
hex1520eb5016b7

23231131031223 has 12 divisors (see below), whose sum is σ = 33556123146000. Its totient is φ = 15487399922976.

The previous prime is 23231131031209. The next prime is 23231131031237. The reversal of 23231131031223 is 32213013113232.

23231131031223 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 11 + 310 + 312 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (23231131031209) and next prime (23231131031237).

It is not a de Polignac number, because 23231131031223 - 216 = 23231130965687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231131031203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8603278 + ... + 10976276.

It is an arithmetic number, because the mean of its divisors is an integer number (2796343595500).

Almost surely, 223231131031223 is an apocalyptic number.

23231131031223 is a deficient number, since it is larger than the sum of its proper divisors (10324992114777).

23231131031223 is a wasteful number, since it uses less digits than its factorization.

23231131031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460758 (or 3460755 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 23231131031223 its reverse (32213013113232), we get a palindrome (55444144144455).

The spelling of 23231131031223 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred thirty-one million, thirty-one thousand, two hundred twenty-three".

Divisors: 1 3 9 1087753 2372999 3263259 7118997 9789777 21356991 2581236781247 7743710343741 23231131031223