23570563 has 2 divisors, whose sum is σ = 23570564. Its totient is φ = 23570562.

The previous prime is 23570543. The next prime is 23570581. The reversal of 23570563 is 36507532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23570563 - 2¹⁷ = 23439491 is a prime.

It is not a weakly prime, because it can be changed into another prime (23570543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11785281 + 11785282.

It is an arithmetic number, because the mean of its divisors is an integer number (11785282).

Almost surely, 2^23570563 is an apocalyptic number.

23570563 is a deficient number, since it is larger than the sum of its proper divisors (1).

23570563 is an equidigital number, since it uses as much as digits as its factorization.

23570563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 23570563 is about 4854.9524199522. The cubic root of 23570563 is about 286.7191180089.

The spelling of 23570563 in words is "twenty-three million, five hundred seventy thousand, five hundred sixty-three".