23216577561232 has 40 divisors (see below), whose sum is σ = 49276722337920. Its totient is φ = 10508835012480.

The previous prime is 23216577561197. The next prime is 23216577561239.

23216577561232 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 23216577561232.

It is not an unprimeable number, because it can be changed into a prime (23216577561239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275925243 + ... + 276009370.

It is an arithmetic number, because the mean of its divisors is an integer number (1231918058448).

Almost surely, 2^{23216577561232} is an apocalyptic number.

23216577561232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23216577561232 is an abundant number, since it is smaller than the sum of its proper divisors (26060144776688).

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

23216577561232 is a wasteful number, since it uses less digits than its factorization.

23216577561232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551934871 (or 551934865 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 52.

It can be divided in two parts, 2321657 and 7561232, that added together give a palindrome (9882889).

The spelling of 23216577561232 in words is "twenty-three trillion, two hundred sixteen billion, five hundred seventy-seven million, five hundred sixty-one thousand, two hundred thirty-two".