23979790 has 16 divisors (see below), whose sum is σ = 43293600. Its totient is φ = 9563040.

The previous prime is 23979757. The next prime is 23979803. The reversal of 23979790 is 9797932.

It is a self number, because there is not a number n which added to its sum of digits gives 23979790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (2705850).

Almost surely, 2^23979790 is an apocalyptic number.

23979790 is a deficient number, since it is larger than the sum of its proper divisors (19313810).

23979790 is a wasteful number, since it uses less digits than its factorization.

23979790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7227.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 23979790 is about 4896.9163766599. The cubic root of 23979790 is about 288.3689250357.

The spelling of 23979790 in words is "twenty-three million, nine hundred seventy-nine thousand, seven hundred ninety".