23939249 has 2 divisors, whose sum is σ = 23939250. Its totient is φ = 23939248.

The previous prime is 23939189. The next prime is 23939263. The reversal of 23939249 is 94293932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17472400 + 6466849 = 4180^2 + 2543^2 .

It is a cyclic number.

It is not a de Polignac number, because 23939249 - 2²⁴ = 7162033 is a prime.

It is a super-3 number, since 3×23939249³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23939549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11969624 + 11969625.

It is an arithmetic number, because the mean of its divisors is an integer number (11969625).

Almost surely, 2^23939249 is an apocalyptic number.

It is an amenable number.

23939249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23939249 is an equidigital number, since it uses as much as digits as its factorization.

23939249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 23939249 is about 4892.7751838808. The cubic root of 23939249 is about 288.2063247927.

The spelling of 23939249 in words is "twenty-three million, nine hundred thirty-nine thousand, two hundred forty-nine".