23872554 has 12 divisors (see below), whose sum is σ = 51723906. Its totient is φ = 7957512.

The previous prime is 23872553. The next prime is 23872561. The reversal of 23872554 is 45527832.

23872554 is a `hidden beast` number, since 2 + 38 + 72 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23765625 + 106929 = 4875^2 + 327^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23872553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 663109 + ... + 663144.

Almost surely, 2^23872554 is an apocalyptic number.

23872554 is an abundant number, since it is smaller than the sum of its proper divisors (27851352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23872554 is a wasteful number, since it uses less digits than its factorization.

23872554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326261 (or 1326258 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 23872554 is about 4885.9547685176. The cubic root of 23872554 is about 287.9384272305.

The spelling of 23872554 in words is "twenty-three million, eight hundred seventy-two thousand, five hundred fifty-four".