23064557 has 4 divisors (see below), whose sum is σ = 23084640. Its totient is φ = 23044476.

The previous prime is 23064553. The next prime is 23064571. The reversal of 23064557 is 75546032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23064557 - 2² = 23064553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23064553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8207 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (5771160).

Almost surely, 2^23064557 is an apocalyptic number.

It is an amenable number.

23064557 is a deficient number, since it is larger than the sum of its proper divisors (20083).

23064557 is a wasteful number, since it uses less digits than its factorization.

23064557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20082.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 23064557 is about 4802.5573395848. The cubic root of 23064557 is about 284.6525240984.

The spelling of 23064557 in words is "twenty-three million, sixty-four thousand, five hundred fifty-seven".