23239955 has 16 divisors (see below), whose sum is σ = 28538784. Its totient is φ = 18163200.

The previous prime is 23239943. The next prime is 23239961. The reversal of 23239955 is 55993232.

It is not a de Polignac number, because 23239955 - 2⁶ = 23239891 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, 57755 + ... + 58155.

It is an arithmetic number, because the mean of its divisors is an integer number (1783674).

Almost surely, 2^23239955 is an apocalyptic number.

23239955 is a deficient number, since it is larger than the sum of its proper divisors (5298829).

23239955 is a wasteful number, since it uses less digits than its factorization.

23239955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its digits is 72900, while the sum is 38.

The square root of 23239955 is about 4820.7836499889. The cubic root of 23239955 is about 285.3722641306.

The spelling of 23239955 in words is "twenty-three million, two hundred thirty-nine thousand, nine hundred fifty-five".