23021010312 has 16 divisors (see below), whose sum is σ = 57552525840. Its totient is φ = 7673670096.

The previous prime is 23021010307. The next prime is 23021010329. The reversal of 23021010312 is 21301012032.

It is a junction number, because it is equal to n+sod(n) for n = 23021010291 and 23021010300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479604358 + ... + 479604405.

It is an arithmetic number, because the mean of its divisors is an integer number (3597032865).

Almost surely, 2^23021010312 is an apocalyptic number.

It is an amenable number.

23021010312 is an abundant number, since it is smaller than the sum of its proper divisors (34531515528).

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

23021010312 is a wasteful number, since it uses less digits than its factorization.

23021010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959208772 (or 959208768 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23021010312 its reverse (21301012032), we get a palindrome (44322022344).

The spelling of 23021010312 in words is "twenty-three billion, twenty-one million, ten thousand, three hundred twelve".