23031120311112 has 64 divisors (see below), whose sum is σ = 57688471874880. Its totient is φ = 7662290061312.

The previous prime is 23031120311093. The next prime is 23031120311113. The reversal of 23031120311112 is 21111302113032.

It is not an unprimeable number, because it can be changed into a prime (23031120311113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60966603 + ... + 61343205.

It is an arithmetic number, because the mean of its divisors is an integer number (901382373045).

Almost surely, 2^{23031120311112} is an apocalyptic number.

It is an amenable number.

23031120311112 is an abundant number, since it is smaller than the sum of its proper divisors (34657351563768).

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

23031120311112 is a wasteful number, since it uses less digits than its factorization.

23031120311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381502 (or 381498 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 23031120311112 its reverse (21111302113032), we get a palindrome (44142422424144).

The spelling of 23031120311112 in words is "twenty-three trillion, thirty-one billion, one hundred twenty million, three hundred eleven thousand, one hundred twelve".