23356689988 has 6 divisors (see below), whose sum is σ = 40874207486. Its totient is φ = 11678344992.

The previous prime is 23356689953. The next prime is 23356690001. The reversal of 23356689988 is 88998665332.

It can be written as a sum of positive squares in only one way, i.e., 22620761604 + 735928384 = 150402^2 + 27128^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2919586245 + ... + 2919586252.

Almost surely, 2^23356689988 is an apocalyptic number.

It is an amenable number.

23356689988 is a deficient number, since it is larger than the sum of its proper divisors (17517517498).

23356689988 is a wasteful number, since it uses less digits than its factorization.

23356689988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839172501 (or 5839172499 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 67.

The spelling of 23356689988 in words is "twenty-three billion, three hundred fifty-six million, six hundred eighty-nine thousand, nine hundred eighty-eight".