23319398956 has 48 divisors (see below), whose sum is σ = 48593405952. Its totient is φ = 9581212800.

The previous prime is 23319398941. The next prime is 23319398957. The reversal of 23319398956 is 65989391332.

It is a self number, because there is not a number n which added to its sum of digits gives 23319398956.

It is not an unprimeable number, because it can be changed into a prime (23319398957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32665 + ... + 218416.

It is an arithmetic number, because the mean of its divisors is an integer number (1012362624).

Almost surely, 2^23319398956 is an apocalyptic number.

It is an amenable number.

23319398956 is an abundant number, since it is smaller than the sum of its proper divisors (25274006996).

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

23319398956 is a wasteful number, since it uses less digits than its factorization.

23319398956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251230 (or 251228 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 58.

The spelling of 23319398956 in words is "twenty-three billion, three hundred nineteen million, three hundred ninety-eight thousand, nine hundred fifty-six".