23321122213 has 4 divisors (see below), whose sum is σ = 23328007020. Its totient is φ = 23314237408.

The previous prime is 23321122211. The next prime is 23321122247. The reversal of 23321122213 is 31222112332.

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 11070617089 + 12250505124 = 105217^2 + 110682^2 .

It is a cyclic number.

It is not a de Polignac number, because 23321122213 - 2¹ = 23321122211 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 (23321122211) 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, 3437320 + ... + 3444097.

It is an arithmetic number, because the mean of its divisors is an integer number (5832001755).

Almost surely, 2^23321122213 is an apocalyptic number.

It is an amenable number.

23321122213 is a deficient number, since it is larger than the sum of its proper divisors (6884807).

23321122213 is an equidigital number, since it uses as much as digits as its factorization.

23321122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884806.

The product of its digits is 864, while the sum is 22.

Adding to 23321122213 its reverse (31222112332), we get a palindrome (54543234545).

The spelling of 23321122213 in words is "twenty-three billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred thirteen".