23102234021 has 4 divisors (see below), whose sum is σ = 23447043552. Its totient is φ = 22757424492.

The previous prime is 23102233993. The next prime is 23102234033. The reversal of 23102234021 is 12043220132.

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 23102234021 - 2²² = 23098039717 is a prime.

It is a super-2 number, since 2×23102234021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23102233984 and 23102234002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102234041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172404665 + ... + 172404798.

It is an arithmetic number, because the mean of its divisors is an integer number (5861760888).

Almost surely, 2^23102234021 is an apocalyptic number.

It is an amenable number.

23102234021 is a deficient number, since it is larger than the sum of its proper divisors (344809531).

23102234021 is an equidigital number, since it uses as much as digits as its factorization.

23102234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344809530.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23102234021 its reverse (12043220132), we get a palindrome (35145454153).

The spelling of 23102234021 in words is "twenty-three billion, one hundred two million, two hundred thirty-four thousand, twenty-one".