23113231213 has 8 divisors (see below), whose sum is σ = 23408985600. Its totient is φ = 22817556528.

The previous prime is 23113231201. The next prime is 23113231223. The reversal of 23113231213 is 31213231132.

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 23113231213 - 2²¹ = 23111134061 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 (23113231223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754683 + ... + 784711.

It is an arithmetic number, because the mean of its divisors is an integer number (2926123200).

Almost surely, 2^23113231213 is an apocalyptic number.

It is an amenable number.

23113231213 is a deficient number, since it is larger than the sum of its proper divisors (295754387).

23113231213 is an equidigital number, since it uses as much as digits as its factorization.

23113231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39851.

The product of its digits is 648, while the sum is 22.

Adding to 23113231213 its reverse (31213231132), we get a palindrome (54326462345).

The spelling of 23113231213 in words is "twenty-three billion, one hundred thirteen million, two hundred thirty-one thousand, two hundred thirteen".