23413513 has 2 divisors, whose sum is σ = 23413514. Its totient is φ = 23413512.

The previous prime is 23413493. The next prime is 23413519. The reversal of 23413513 is 31531432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14341369 + 9072144 = 3787^2 + 3012^2 .

It is a cyclic number.

It is not a de Polignac number, because 23413513 - 2⁹ = 23413001 is a prime.

It is equal to p_1472611 and since 23413513 and 1472611 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23413519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11706756 + 11706757.

It is an arithmetic number, because the mean of its divisors is an integer number (11706757).

Almost surely, 2^23413513 is an apocalyptic number.

It is an amenable number.

23413513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23413513 is an equidigital number, since it uses as much as digits as its factorization.

23413513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 23413513 is about 4838.7511818650. The cubic root of 23413513 is about 286.0808979425.

Adding to 23413513 its reverse (31531432), we get a palindrome (54944945).

The spelling of 23413513 in words is "twenty-three million, four hundred thirteen thousand, five hundred thirteen".