23320212133 has 4 divisors (see below), whose sum is σ = 23320550368. Its totient is φ = 23319873900.

The previous prime is 23320212127. The next prime is 23320212137. The reversal of 23320212133 is 33121202332.

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 23320212133 - 2¹⁷ = 23320081061 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 (23320212137) 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, 24441 + ... + 217342.

It is an arithmetic number, because the mean of its divisors is an integer number (5830137592).

Almost surely, 2^23320212133 is an apocalyptic number.

It is an amenable number.

23320212133 is a deficient number, since it is larger than the sum of its proper divisors (338235).

23320212133 is an equidigital number, since it uses as much as digits as its factorization.

23320212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338234.

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

Adding to 23320212133 its reverse (33121202332), we get a palindrome (56441414465).

The spelling of 23320212133 in words is "twenty-three billion, three hundred twenty million, two hundred twelve thousand, one hundred thirty-three".