23263156571 has 2 divisors, whose sum is σ = 23263156572. Its totient is φ = 23263156570.

The previous prime is 23263156529. The next prime is 23263156573. The reversal of 23263156571 is 17565136232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23263156571 is a prime.

It is a Sophie Germain prime.

Together with 23263156573, 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 (23263156573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11631578285 + 11631578286.

It is an arithmetic number, because the mean of its divisors is an integer number (11631578286).

Almost surely, 2^23263156571 is an apocalyptic number.

23263156571 is a deficient number, since it is larger than the sum of its proper divisors (1).

23263156571 is an equidigital number, since it uses as much as digits as its factorization.

23263156571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 41.

The spelling of 23263156571 in words is "twenty-three billion, two hundred sixty-three million, one hundred fifty-six thousand, five hundred seventy-one".