23320239 has 24 divisors (see below), whose sum is σ = 33448752. Its totient is φ = 14446080.

The previous prime is 23320237. The next prime is 23320259. The reversal of 23320239 is 93202332.

It is not a de Polignac number, because 23320239 - 2¹ = 23320237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65887 + ... + 66239.

It is an arithmetic number, because the mean of its divisors is an integer number (1393698).

Almost surely, 2^23320239 is an apocalyptic number.

23320239 is a deficient number, since it is larger than the sum of its proper divisors (10128513).

23320239 is a wasteful number, since it uses less digits than its factorization.

23320239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 23320239 is about 4829.1033329180. The cubic root of 23320239 is about 285.7004990609.

The spelling of 23320239 in words is "twenty-three million, three hundred twenty thousand, two hundred thirty-nine".