23311123012 has 48 divisors (see below), whose sum is σ = 42682147200. Its totient is φ = 11125900800.

The previous prime is 23311123007. The next prime is 23311123037. The reversal of 23311123012 is 21032111332.

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, 5752387 + ... + 5756437.

It is an arithmetic number, because the mean of its divisors is an integer number (889211400).

Almost surely, 2^23311123012 is an apocalyptic number.

It is an amenable number.

23311123012 is a deficient number, since it is larger than the sum of its proper divisors (19371024188).

23311123012 is a wasteful number, since it uses less digits than its factorization.

23311123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636 (or 4634 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23311123012 its reverse (21032111332), we get a palindrome (44343234344).

The spelling of 23311123012 in words is "twenty-three billion, three hundred eleven million, one hundred twenty-three thousand, twelve".