23975553 has 24 divisors (see below), whose sum is σ = 38061408. Its totient is φ = 13378176.

The previous prime is 23975543. The next prime is 23975569. The reversal of 23975553 is 35557932.

It is not a de Polignac number, because 23975553 - 2⁵ = 23975521 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23975503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4425 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (1585892).

Almost surely, 2^23975553 is an apocalyptic number.

It is an amenable number.

23975553 is a deficient number, since it is larger than the sum of its proper divisors (14085855).

23975553 is a wasteful number, since it uses less digits than its factorization.

23975553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853 (or 3846 counting only the distinct ones).

The product of its digits is 141750, while the sum is 39.

The square root of 23975553 is about 4896.4837383576. The cubic root of 23975553 is about 288.3519400231.

The spelling of 23975553 in words is "twenty-three million, nine hundred seventy-five thousand, five hundred fifty-three".