23032032013 has 4 divisors (see below), whose sum is σ = 23269475740. Its totient is φ = 22794588288.

The previous prime is 23032031999. The next prime is 23032032017. The reversal of 23032032013 is 31023023032.

It is a happy number.

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 9276964489 + 13755067524 = 96317^2 + 117282^2 .

It is a cyclic number.

It is not a de Polignac number, because 23032032013 - 2²⁵ = 22998477581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23032032017) 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, 118721718 + ... + 118721911.

It is an arithmetic number, because the mean of its divisors is an integer number (5817368935).

Almost surely, 2^23032032013 is an apocalyptic number.

It is an amenable number.

23032032013 is a deficient number, since it is larger than the sum of its proper divisors (237443727).

23032032013 is an equidigital number, since it uses as much as digits as its factorization.

23032032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237443726.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23032032013 its reverse (31023023032), we get a palindrome (54055055045).

The spelling of 23032032013 in words is "twenty-three billion, thirty-two million, thirty-two thousand, thirteen".