23485613 has 2 divisors, whose sum is σ = 23485614. Its totient is φ = 23485612.

The previous prime is 23485607. The next prime is 23485663. The reversal of 23485613 is 31658432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23059204 + 426409 = 4802^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 23485613 - 2¹⁶ = 23420077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23485613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23485663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11742806 + 11742807.

It is an arithmetic number, because the mean of its divisors is an integer number (11742807).

Almost surely, 2^23485613 is an apocalyptic number.

It is an amenable number.

23485613 is a deficient number, since it is larger than the sum of its proper divisors (1).

23485613 is an equidigital number, since it uses as much as digits as its factorization.

23485613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 23485613 is about 4846.1957244833. The cubic root of 23485613 is about 286.3742512782.

The spelling of 23485613 in words is "twenty-three million, four hundred eighty-five thousand, six hundred thirteen".