23087938 has 16 divisors (see below), whose sum is σ = 36759960. Its totient is φ = 10838016.

The previous prime is 23087927. The next prime is 23087941. The reversal of 23087938 is 83978032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19035769 + 4052169 = 4363^2 + 2013^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23087938.

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, 22378 + ... + 23386.

Almost surely, 2^23087938 is an apocalyptic number.

23087938 is a deficient number, since it is larger than the sum of its proper divisors (13672022).

23087938 is a wasteful number, since it uses less digits than its factorization.

23087938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 23087938 is about 4804.9909469218. The cubic root of 23087938 is about 284.7486775892.

It can be divided in two parts, 23087 and 938, that added together give a square (24025 = 155²).

The spelling of 23087938 in words is "twenty-three million, eighty-seven thousand, nine hundred thirty-eight".