23010013 has 4 divisors (see below), whose sum is σ = 24780028. Its totient is φ = 21240000.

The previous prime is 23009999. The next prime is 23010017. The reversal of 23010013 is 31001032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5184729 + 17825284 = 2277^2 + 4222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23010013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23010017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884988 + ... + 885013.

It is an arithmetic number, because the mean of its divisors is an integer number (6195007).

Almost surely, 2^23010013 is an apocalyptic number.

It is an amenable number.

23010013 is a deficient number, since it is larger than the sum of its proper divisors (1770015).

23010013 is a wasteful number, since it uses less digits than its factorization.

23010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770014.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 23010013 is about 4796.8753371335. The cubic root of 23010013 is about 284.4279610414.

Adding to 23010013 its reverse (31001032), we get a palindrome (54011045).

The spelling of 23010013 in words is "twenty-three million, ten thousand, thirteen".