23132312213 has 8 divisors (see below), whose sum is σ = 23955147576. Its totient is φ = 22323787200.

The previous prime is 23132312209. The next prime is 23132312219. The reversal of 23132312213 is 31221323132.

It can be written as a sum of positive squares in 4 ways, for example, as 559653649 + 22572658564 = 23657^2 + 150242^2 .

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 23132312213 - 2² = 23132312209 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 (23132312219) 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, 3574298 + ... + 3580763.

It is an arithmetic number, because the mean of its divisors is an integer number (2994393447).

Almost surely, 2^23132312213 is an apocalyptic number.

It is an amenable number.

23132312213 is a deficient number, since it is larger than the sum of its proper divisors (822835363).

23132312213 is an equidigital number, since it uses as much as digits as its factorization.

23132312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155175.

The product of its digits is 1296, while the sum is 23.

Adding to 23132312213 its reverse (31221323132), we get a palindrome (54353635345).

The spelling of 23132312213 in words is "twenty-three billion, one hundred thirty-two million, three hundred twelve thousand, two hundred thirteen".