23938459 has 2 divisors, whose sum is σ = 23938460. Its totient is φ = 23938458.

The previous prime is 23938433. The next prime is 23938477. The reversal of 23938459 is 95483932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23938459 - 2¹⁵ = 23905691 is a prime.

It is not a weakly prime, because it can be changed into another prime (23938429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11969229 + 11969230.

It is an arithmetic number, because the mean of its divisors is an integer number (11969230).

Almost surely, 2^23938459 is an apocalyptic number.

23938459 is a deficient number, since it is larger than the sum of its proper divisors (1).

23938459 is an equidigital number, since it uses as much as digits as its factorization.

23938459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 43.

The square root of 23938459 is about 4892.6944519355. The cubic root of 23938459 is about 288.2031544690.

The spelling of 23938459 in words is "twenty-three million, nine hundred thirty-eight thousand, four hundred fifty-nine".