15239023 has 2 divisors, whose sum is σ = 15239024. Its totient is φ = 15239022.

The previous prime is 15239017. The next prime is 15239027. The reversal of 15239023 is 32093251.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15239023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15239027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7619511 + 7619512.

It is an arithmetic number, because the mean of its divisors is an integer number (7619512).

Almost surely, 2^15239023 is an apocalyptic number.

15239023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15239023 is an equidigital number, since it uses as much as digits as its factorization.

15239023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 15239023 is about 3903.7191241174. The cubic root of 15239023 is about 247.9242690636.

The spelling of 15239023 in words is "fifteen million, two hundred thirty-nine thousand, twenty-three".