23231023512 has 64 divisors (see below), whose sum is σ = 62435059200. Its totient is φ = 7180018560.

The previous prime is 23231023427. The next prime is 23231023579. The reversal of 23231023512 is 21532013232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 520539 + ... + 563402.

It is an arithmetic number, because the mean of its divisors is an integer number (975547800).

Almost surely, 2^23231023512 is an apocalyptic number.

It is an amenable number.

23231023512 is an abundant number, since it is smaller than the sum of its proper divisors (39204035688).

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

23231023512 is a wasteful number, since it uses less digits than its factorization.

23231023512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084016 (or 1084012 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23231023512 its reverse (21532013232), we get a palindrome (44763036744).

The spelling of 23231023512 in words is "twenty-three billion, two hundred thirty-one million, twenty-three thousand, five hundred twelve".