23223203213 has 4 divisors (see below), whose sum is σ = 26540803680. Its totient is φ = 19905602748.

The previous prime is 23223203177. The next prime is 23223203233. The reversal of 23223203213 is 31230232232.

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 a cyclic number.

It is not a de Polignac number, because 23223203213 - 2²² = 23219008909 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 (23223203233) 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, 1658800223 + ... + 1658800236.

It is an arithmetic number, because the mean of its divisors is an integer number (6635200920).

Almost surely, 2^23223203213 is an apocalyptic number.

It is an amenable number.

23223203213 is a deficient number, since it is larger than the sum of its proper divisors (3317600467).

23223203213 is an equidigital number, since it uses as much as digits as its factorization.

23223203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317600466.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23223203213 its reverse (31230232232), we get a palindrome (54453435445).

The spelling of 23223203213 in words is "twenty-three billion, two hundred twenty-three million, two hundred three thousand, two hundred thirteen".