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23031123304 = 2373711115407
BaseRepresentation
bin10101011100110000…
…110000110101101000
32012110002010021201211
4111130300300311220
5334131431421204
614325204522504
71443506214040
oct253460606550
965402107654
1023031123304
119849517902
1245690b0434
132230668517
141186ab0720
158ebe0b804
hex55cc30d68

23031123304 has 32 divisors (see below), whose sum is σ = 50686260480. Its totient is φ = 9603710784.

The previous prime is 23031123257. The next prime is 23031123319. The reversal of 23031123304 is 40332113032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5555632 + ... + 5559775.

It is an arithmetic number, because the mean of its divisors is an integer number (1583945640).

Almost surely, 223031123304 is an apocalyptic number.

It is an amenable number.

23031123304 is an abundant number, since it is smaller than the sum of its proper divisors (27655137176).

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

23031123304 is a wasteful number, since it uses less digits than its factorization.

23031123304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11115457 (or 11115453 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23031123304 its reverse (40332113032), we get a palindrome (63363236336).

The spelling of 23031123304 in words is "twenty-three billion, thirty-one million, one hundred twenty-three thousand, three hundred four".

Divisors: 1 2 4 7 8 14 28 37 56 74 148 259 296 518 1036 2072 11115407 22230814 44461628 77807849 88923256 155615698 311231396 411270059 622462792 822540118 1645080236 2878890413 3290160472 5757780826 11515561652 23031123304