23212023331 has 4 divisors (see below), whose sum is σ = 26528026672. Its totient is φ = 19896019992.

The previous prime is 23212023323. The next prime is 23212023383. The reversal of 23212023331 is 13332021232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23212023331 - 2³ = 23212023323 is a prime.

It is a super-2 number, since 2×23212023331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23212023391) 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 3 ways as a sum of consecutive naturals, for example, 1658001660 + ... + 1658001673.

It is an arithmetic number, because the mean of its divisors is an integer number (6632006668).

Almost surely, 2^23212023331 is an apocalyptic number.

23212023331 is a deficient number, since it is larger than the sum of its proper divisors (3316003341).

23212023331 is an equidigital number, since it uses as much as digits as its factorization.

23212023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316003340.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23212023331 its reverse (13332021232), we get a palindrome (36544044563).

The spelling of 23212023331 in words is "twenty-three billion, two hundred twelve million, twenty-three thousand, three hundred thirty-one".