23938455 has 16 divisors (see below), whose sum is σ = 38500704. Its totient is φ = 12700800.

The previous prime is 23938433. The next prime is 23938459. The reversal of 23938455 is 55483932.

It is not a de Polignac number, because 23938455 - 2⁸ = 23938199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23938459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096 + ... + 7005.

It is an arithmetic number, because the mean of its divisors is an integer number (2406294).

Almost surely, 2^23938455 is an apocalyptic number.

23938455 is a deficient number, since it is larger than the sum of its proper divisors (14562249).

23938455 is a wasteful number, since it uses less digits than its factorization.

23938455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306.

The product of its digits is 129600, while the sum is 39.

The square root of 23938455 is about 4892.6940431627. The cubic root of 23938455 is about 288.2031384166.

The spelling of 23938455 in words is "twenty-three million, nine hundred thirty-eight thousand, four hundred fifty-five".