23115330231504 has 80 divisors (see below), whose sum is σ = 69638021155200. Its totient is φ = 6604380061440.

The previous prime is 23115330231467. The next prime is 23115330231509. The reversal of 23115330231504 is 40513203351132.

It is a super-2 number, since 2×23115330231504² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115330231509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701979717 + ... + 702012644.

It is an arithmetic number, because the mean of its divisors is an integer number (870475264440).

Almost surely, 2^{23115330231504} is an apocalyptic number.

23115330231504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23115330231504 is an abundant number, since it is smaller than the sum of its proper divisors (46522690923696).

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

23115330231504 is a wasteful number, since it uses less digits than its factorization.

23115330231504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403992393 (or 1403992373 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 23115330231504 its reverse (40513203351132), we get a palindrome (63628533582636).

The spelling of 23115330231504 in words is "twenty-three trillion, one hundred fifteen billion, three hundred thirty million, two hundred thirty-one thousand, five hundred four".