23302613 has 2 divisors, whose sum is σ = 23302614. Its totient is φ = 23302612.

The previous prime is 23302579. The next prime is 23302621. The reversal of 23302613 is 31620332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23107249 + 195364 = 4807^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 23302613 - 2¹⁰ = 23301589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23302633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651306 + 11651307.

It is an arithmetic number, because the mean of its divisors is an integer number (11651307).

Almost surely, 2^23302613 is an apocalyptic number.

It is an amenable number.

23302613 is a deficient number, since it is larger than the sum of its proper divisors (1).

23302613 is an equidigital number, since it uses as much as digits as its factorization.

23302613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 23302613 is about 4827.2780114677. The cubic root of 23302613 is about 285.6285011390.

Adding to 23302613 its reverse (31620332), we get a palindrome (54922945).

The spelling of 23302613 in words is "twenty-three million, three hundred two thousand, six hundred thirteen".