23319128788 has 12 divisors (see below), whose sum is σ = 41911407412. Its totient is φ = 11344440960.

The previous prime is 23319128761. The next prime is 23319128801. The reversal of 23319128788 is 88782191332.

It can be written as a sum of positive squares in 2 ways, for example, as 20058490384 + 3260638404 = 141628^2 + 57102^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78780693 + ... + 78780988.

Almost surely, 2^23319128788 is an apocalyptic number.

It is an amenable number.

23319128788 is a deficient number, since it is larger than the sum of its proper divisors (18592278624).

23319128788 is a wasteful number, since it uses less digits than its factorization.

23319128788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157561722 (or 157561720 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The spelling of 23319128788 in words is "twenty-three billion, three hundred nineteen million, one hundred twenty-eight thousand, seven hundred eighty-eight".