23970555 has 48 divisors (see below), whose sum is σ = 48484800. Its totient is φ = 10950912.

The previous prime is 23970553. The next prime is 23970563. The reversal of 23970555 is 55507932.

23970555 is a `hidden beast` number, since 2 + 39 + 70 + 555 = 666.

It is not a de Polignac number, because 23970555 - 2¹ = 23970553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23970553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14659 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (1010100).

Almost surely, 2^23970555 is an apocalyptic number.

23970555 is an abundant number, since it is smaller than the sum of its proper divisors (24514245).

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

23970555 is a wasteful number, since it uses less digits than its factorization.

23970555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 23970555 is about 4895.9733455157. The cubic root of 23970555 is about 288.3319017901.

The spelling of 23970555 in words is "twenty-three million, nine hundred seventy thousand, five hundred fifty-five".