23232122213 has 4 divisors (see below), whose sum is σ = 23236879020. Its totient is φ = 23227365408.

The previous prime is 23232122183. The next prime is 23232122239. The reversal of 23232122213 is 31222123232.

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 11798738884 + 11433383329 = 108622^2 + 106927^2 .

It is a cyclic number.

It is not a de Polignac number, because 23232122213 - 2¹⁰ = 23232121189 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 (23232182213) 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, 2371070 + ... + 2380847.

It is an arithmetic number, because the mean of its divisors is an integer number (5809219755).

Almost surely, 2^23232122213 is an apocalyptic number.

It is an amenable number.

23232122213 is a deficient number, since it is larger than the sum of its proper divisors (4756807).

23232122213 is an equidigital number, since it uses as much as digits as its factorization.

23232122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756806.

The product of its digits is 1728, while the sum is 23.

Adding to 23232122213 its reverse (31222123232), we get a palindrome (54454245445).

The spelling of 23232122213 in words is "twenty-three billion, two hundred thirty-two million, one hundred twenty-two thousand, two hundred thirteen".