23204322013 has 4 divisors (see below), whose sum is σ = 23698031040. Its totient is φ = 22710612988.

The previous prime is 23204322007. The next prime is 23204322047. The reversal of 23204322013 is 31022340232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23204322013 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 (23204322613) 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, 246854443 + ... + 246854536.

It is an arithmetic number, because the mean of its divisors is an integer number (5924507760).

Almost surely, 2^23204322013 is an apocalyptic number.

It is an amenable number.

23204322013 is a deficient number, since it is larger than the sum of its proper divisors (493709027).

23204322013 is an equidigital number, since it uses as much as digits as its factorization.

23204322013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493709026.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23204322013 its reverse (31022340232), we get a palindrome (54226662245).

The spelling of 23204322013 in words is "twenty-three billion, two hundred four million, three hundred twenty-two thousand, thirteen".