23074557 has 32 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 13465920.

The previous prime is 23074549. The next prime is 23074573. The reversal of 23074557 is 75547032.

It is not a de Polignac number, because 23074557 - 2³ = 23074549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23074507) 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 31 ways as a sum of consecutive naturals, for example, 138088 + ... + 138254.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 2^23074557 is an apocalyptic number.

It is an amenable number.

23074557 is a deficient number, since it is larger than the sum of its proper divisors (11761923).

23074557 is a wasteful number, since it uses less digits than its factorization.

23074557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 23074557 is about 4803.5983387457. The cubic root of 23074557 is about 284.6936566748.

The spelling of 23074557 in words is "twenty-three million, seventy-four thousand, five hundred fifty-seven".