23975390 has 16 divisors (see below), whose sum is σ = 43748208. Its totient is φ = 9458496.

The previous prime is 23975353. The next prime is 23975429. The reversal of 23975390 is 9357932.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15692 + ... + 17151.

It is an arithmetic number, because the mean of its divisors is an integer number (2734263).

Almost surely, 2^23975390 is an apocalyptic number.

23975390 is a deficient number, since it is larger than the sum of its proper divisors (19772818).

23975390 is a wasteful number, since it uses less digits than its factorization.

23975390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32923.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 23975390 is about 4896.4670937320. The cubic root of 23975390 is about 288.3512865592.

The spelling of 23975390 in words is "twenty-three million, nine hundred seventy-five thousand, three hundred ninety".