23202220233 has 4 divisors (see below), whose sum is σ = 30936293648. Its totient is φ = 15468146820.

The previous prime is 23202220229. The next prime is 23202220247. The reversal of 23202220233 is 33202220232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23202220233 - 2² = 23202220229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23202200233) 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, 3867036703 + ... + 3867036708.

It is an arithmetic number, because the mean of its divisors is an integer number (7734073412).

Almost surely, 2^23202220233 is an apocalyptic number.

It is an amenable number.

23202220233 is a deficient number, since it is larger than the sum of its proper divisors (7734073415).

23202220233 is an equidigital number, since it uses as much as digits as its factorization.

23202220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734073414.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 23202220233 its reverse (33202220232), we get a palindrome (56404440465).

Subtracting 23202220233 from its reverse (33202220232), we obtain a palindrome (9999999999).

The spelling of 23202220233 in words is "twenty-three billion, two hundred two million, two hundred twenty thousand, two hundred thirty-three".