23593138 has 4 divisors (see below), whose sum is σ = 35389710. Its totient is φ = 11796568.

The previous prime is 23593123. The next prime is 23593151. The reversal of 23593138 is 83139532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16426809 + 7166329 = 4053^2 + 2677^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5898283 + ... + 5898286.

Almost surely, 2^23593138 is an apocalyptic number.

23593138 is a deficient number, since it is larger than the sum of its proper divisors (11796572).

23593138 is a wasteful number, since it uses less digits than its factorization.

23593138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796571.

The product of its digits is 19440, while the sum is 34.

The square root of 23593138 is about 4857.2768090773. The cubic root of 23593138 is about 286.8106250688.

The spelling of 23593138 in words is "twenty-three million, five hundred ninety-three thousand, one hundred thirty-eight".