23031213013 has 8 divisors (see below), whose sum is σ = 23056560800. Its totient is φ = 23005883088.

The previous prime is 23031212999. The next prime is 23031213019. The reversal of 23031213013 is 31031213032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23031213013 - 2²⁵ = 22997658581 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 (23031213019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456818 + ... + 5461036.

It is an arithmetic number, because the mean of its divisors is an integer number (2882070100).

Almost surely, 2^23031213013 is an apocalyptic number.

It is an amenable number.

23031213013 is a deficient number, since it is larger than the sum of its proper divisors (25347787).

23031213013 is a wasteful number, since it uses less digits than its factorization.

23031213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23031213013 its sum of digits (19), we get a palindrome (23031213032).

Adding to 23031213013 its reverse (31031213032), we get a palindrome (54062426045).

The spelling of 23031213013 in words is "twenty-three billion, thirty-one million, two hundred thirteen thousand, thirteen".