2323042121021 has 4 divisors (see below), whose sum is σ = 2357714391552. Its totient is φ = 2288369850492.

The previous prime is 2323042121011. The next prime is 2323042121041. The reversal of 2323042121021 is 1201212403232.

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 2323042121021 - 2²² = 2323037926717 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 (2323042121011) 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, 17336135165 + ... + 17336135298.

It is an arithmetic number, because the mean of its divisors is an integer number (589428597888).

Almost surely, 2^{2323042121021} is an apocalyptic number.

It is an amenable number.

2323042121021 is a deficient number, since it is larger than the sum of its proper divisors (34672270531).

2323042121021 is an equidigital number, since it uses as much as digits as its factorization.

2323042121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34672270530.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2323042121021 its reverse (1201212403232), we get a palindrome (3524254524253).

The spelling of 2323042121021 in words is "two trillion, three hundred twenty-three billion, forty-two million, one hundred twenty-one thousand, twenty-one".