23913455 has 16 divisors (see below), whose sum is σ = 29623104. Its totient is φ = 18520320.

The previous prime is 23913451. The next prime is 23913469. The reversal of 23913455 is 55431932.

It is not a de Polignac number, because 23913455 - 2² = 23913451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23913451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31814 + ... + 32556.

It is an arithmetic number, because the mean of its divisors is an integer number (1851444).

Almost surely, 2^23913455 is an apocalyptic number.

23913455 is a deficient number, since it is larger than the sum of its proper divisors (5709649).

23913455 is a wasteful number, since it uses less digits than its factorization.

23913455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 16200, while the sum is 32.

The square root of 23913455 is about 4890.1385460946. The cubic root of 23913455 is about 288.1027756584.

The spelling of 23913455 in words is "twenty-three million, nine hundred thirteen thousand, four hundred fifty-five".