23322231021 has 4 divisors (see below), whose sum is σ = 31096308032. Its totient is φ = 15548154012.

The previous prime is 23322231019. The next prime is 23322231043. The reversal of 23322231021 is 12013222332.

It is a happy number.

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 23322231021 - 2¹ = 23322231019 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 (23322231001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3887038501 + ... + 3887038506.

It is an arithmetic number, because the mean of its divisors is an integer number (7774077008).

Almost surely, 2^23322231021 is an apocalyptic number.

It is an amenable number.

23322231021 is a deficient number, since it is larger than the sum of its proper divisors (7774077011).

23322231021 is an equidigital number, since it uses as much as digits as its factorization.

23322231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774077010.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23322231021 its reverse (12013222332), we get a palindrome (35335453353).

The spelling of 23322231021 in words is "twenty-three billion, three hundred twenty-two million, two hundred thirty-one thousand, twenty-one".