23112613 has 2 divisors, whose sum is σ = 23112614. Its totient is φ = 23112612.

The previous prime is 23112599. The next prime is 23112619. The reversal of 23112613 is 31621132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 91809 = 4798^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 23112613 - 2⁵ = 23112581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23112619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556306 + 11556307.

It is an arithmetic number, because the mean of its divisors is an integer number (11556307).

Almost surely, 2^23112613 is an apocalyptic number.

It is an amenable number.

23112613 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112613 is an equidigital number, since it uses as much as digits as its factorization.

23112613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 23112613 is about 4807.5579039675. The cubic root of 23112613 is about 284.8500822282.

Adding to 23112613 its reverse (31621132), we get a palindrome (54733745).

It can be divided in two parts, 2 and 3112613, that multiplied together give a palindrome (6225226).

The spelling of 23112613 in words is "twenty-three million, one hundred twelve thousand, six hundred thirteen".