23064521 has 2 divisors, whose sum is σ = 23064522. Its totient is φ = 23064520.

The previous prime is 23064511. The next prime is 23064523. The reversal of 23064521 is 12546032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19044496 + 4020025 = 4364^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 23064521 - 2²² = 18870217 is a prime.

Together with 23064523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23064523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11532260 + 11532261.

It is an arithmetic number, because the mean of its divisors is an integer number (11532261).

Almost surely, 2^23064521 is an apocalyptic number.

It is an amenable number.

23064521 is a deficient number, since it is larger than the sum of its proper divisors (1).

23064521 is an equidigital number, since it uses as much as digits as its factorization.

23064521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23064521 is about 4802.5535915802. The cubic root of 23064521 is about 284.6523759997.

The spelling of 23064521 in words is "twenty-three million, sixty-four thousand, five hundred twenty-one".