23993739785 has 16 divisors (see below), whose sum is σ = 28886457600. Its totient is φ = 19132416576.

The previous prime is 23993739743. The next prime is 23993739823. The reversal of 23993739785 is 58793739932.

It is a cyclic number.

It is not a de Polignac number, because 23993739785 - 2¹⁰ = 23993738761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589076 + ... + 3595754.

It is an arithmetic number, because the mean of its divisors is an integer number (1805403600).

Almost surely, 2^23993739785 is an apocalyptic number.

It is an amenable number.

23993739785 is a deficient number, since it is larger than the sum of its proper divisors (4892717815).

23993739785 is a wasteful number, since it uses less digits than its factorization.

23993739785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8920.

The product of its digits is 77157360, while the sum is 65.

The spelling of 23993739785 in words is "twenty-three billion, nine hundred ninety-three million, seven hundred thirty-nine thousand, seven hundred eighty-five".