23322113021 has 4 divisors (see below), whose sum is σ = 23322466044. Its totient is φ = 23321760000.

The previous prime is 23322112991. The next prime is 23322113029. The reversal of 23322113021 is 12031122332.

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 825412900 + 22496700121 = 28730^2 + 149989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23322113021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23322112984 and 23322113002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23322113029) 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, 44510 + ... + 220511.

It is an arithmetic number, because the mean of its divisors is an integer number (5830616511).

Almost surely, 2^23322113021 is an apocalyptic number.

It is an amenable number.

23322113021 is a deficient number, since it is larger than the sum of its proper divisors (353023).

23322113021 is an equidigital number, since it uses as much as digits as its factorization.

23322113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353022.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23322113021 its reverse (12031122332), we get a palindrome (35353235353).

The spelling of 23322113021 in words is "twenty-three billion, three hundred twenty-two million, one hundred thirteen thousand, twenty-one".