23115031152 has 40 divisors (see below), whose sum is σ = 61102529664. Its totient is φ = 7525823424.

The previous prime is 23115031129. The next prime is 23115031171. The reversal of 23115031152 is 25113051132.

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 7 ways as a sum of consecutive naturals, for example, 5597508 + ... + 5601635.

Almost surely, 2^23115031152 is an apocalyptic number.

It is an amenable number.

23115031152 is an abundant number, since it is smaller than the sum of its proper divisors (37987498512).

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

23115031152 is a wasteful number, since it uses less digits than its factorization.

23115031152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199197 (or 11199191 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 23115031152 its reverse (25113051132), we get a palindrome (48228082284).

The spelling of 23115031152 in words is "twenty-three billion, one hundred fifteen million, thirty-one thousand, one hundred fifty-two".