23984457 has 16 divisors (see below), whose sum is σ = 36621312. Its totient is φ = 13677840.

The previous prime is 23984449. The next prime is 23984507. The reversal of 23984457 is 75448932.

It is not a de Polignac number, because 23984457 - 2³ = 23984449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23984357) 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, 14482 + ... + 16052.

It is an arithmetic number, because the mean of its divisors is an integer number (2288832).

Almost surely, 2^23984457 is an apocalyptic number.

It is an amenable number.

23984457 is a deficient number, since it is larger than the sum of its proper divisors (12636855).

23984457 is a wasteful number, since it uses less digits than its factorization.

23984457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308.

The product of its digits is 241920, while the sum is 42.

The square root of 23984457 is about 4897.3928778484. The cubic root of 23984457 is about 288.3876314891.

The spelling of 23984457 in words is "twenty-three million, nine hundred eighty-four thousand, four hundred fifty-seven".