23211023112 has 48 divisors (see below), whose sum is σ = 63031794540. Its totient is φ = 7716256128.

The previous prime is 23211023063. The next prime is 23211023119. The reversal of 23211023112 is 21132011232.

It can be written as a sum of positive squares in 2 ways, for example, as 22318567236 + 892455876 = 149394^2 + 29874^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23211023119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405283 + ... + 458994.

Almost surely, 2^23211023112 is an apocalyptic number.

It is an amenable number.

23211023112 is an abundant number, since it is smaller than the sum of its proper divisors (39820771428).

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

23211023112 is a wasteful number, since it uses less digits than its factorization.

23211023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864662 (or 864655 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23211023112 its reverse (21132011232), we get a palindrome (44343034344).

The spelling of 23211023112 in words is "twenty-three billion, two hundred eleven million, twenty-three thousand, one hundred twelve".