23152239 has 12 divisors (see below), whose sum is σ = 36482472. Its totient is φ = 14031600.

The previous prime is 23152223. The next prime is 23152243. The reversal of 23152239 is 93225132.

It is not a de Polignac number, because 23152239 - 2⁴ = 23152223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23152219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116832 + ... + 117029.

It is an arithmetic number, because the mean of its divisors is an integer number (3040206).

Almost surely, 2^23152239 is an apocalyptic number.

23152239 is a deficient number, since it is larger than the sum of its proper divisors (13330233).

23152239 is a wasteful number, since it uses less digits than its factorization.

23152239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233878 (or 233875 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 23152239 is about 4811.6773582608. The cubic root of 23152239 is about 285.0127787437.

It can be divided in two parts, 2315 and 2239, that added together give a palindrome (4554).

The spelling of 23152239 in words is "twenty-three million, one hundred fifty-two thousand, two hundred thirty-nine".