23698013 has 2 divisors, whose sum is σ = 23698014. Its totient is φ = 23698012.

The previous prime is 23698007. The next prime is 23698033. The reversal of 23698013 is 31089632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21921124 + 1776889 = 4682^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 23698013 - 2⁸ = 23697757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23698033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11849006 + 11849007.

It is an arithmetic number, because the mean of its divisors is an integer number (11849007).

Almost surely, 2^23698013 is an apocalyptic number.

It is an amenable number.

23698013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23698013 is an equidigital number, since it uses as much as digits as its factorization.

23698013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23698013 is about 4868.0604967482. The cubic root of 23698013 is about 287.2349688633.

The spelling of 23698013 in words is "twenty-three million, six hundred ninety-eight thousand, thirteen".