23001613 has 2 divisors, whose sum is σ = 23001614. Its totient is φ = 23001612.

The previous prime is 23001551. The next prime is 23001617. The reversal of 23001613 is 31610032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19245769 + 3755844 = 4387^2 + 1938^2 .

It is a cyclic number.

It is not a de Polignac number, because 23001613 - 2²¹ = 20904461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23001617) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500806 + 11500807.

It is an arithmetic number, because the mean of its divisors is an integer number (11500807).

Almost surely, 2^23001613 is an apocalyptic number.

It is an amenable number.

23001613 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001613 is an equidigital number, since it uses as much as digits as its factorization.

23001613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 23001613 is about 4795.9996872394. Note that the first 3 decimals coincide. The cubic root of 23001613 is about 284.3933458840.

Adding to 23001613 its reverse (31610032), we get a palindrome (54611645).

The spelling of 23001613 in words is "twenty-three million, one thousand, six hundred thirteen".