23513069 has 2 divisors, whose sum is σ = 23513070. Its totient is φ = 23513068.

The previous prime is 23513029. The next prime is 23513071. The reversal of 23513069 is 96031532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23164969 + 348100 = 4813^2 + 590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23513069 is a prime.

It is a super-2 number, since 2×23513069² = 1105728827597522, which contains 22 as substring.

Together with 23513071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23513029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11756534 + 11756535.

It is an arithmetic number, because the mean of its divisors is an integer number (11756535).

Almost surely, 2^23513069 is an apocalyptic number.

It is an amenable number.

23513069 is a deficient number, since it is larger than the sum of its proper divisors (1).

23513069 is an equidigital number, since it uses as much as digits as its factorization.

23513069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 23513069 is about 4849.0276344851. The cubic root of 23513069 is about 286.4858036777.

The spelling of 23513069 in words is "twenty-three million, five hundred thirteen thousand, sixty-nine".