23320142321 has 8 divisors (see below), whose sum is σ = 26652897600. Its totient is φ = 19987713648.

The previous prime is 23320142297. The next prime is 23320142353. The reversal of 23320142321 is 12324102332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23320142321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23320102321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97595 + ... + 236991.

It is an arithmetic number, because the mean of its divisors is an integer number (3331612200).

Almost surely, 2^23320142321 is an apocalyptic number.

It is an amenable number.

23320142321 is a deficient number, since it is larger than the sum of its proper divisors (3332755279).

23320142321 is a wasteful number, since it uses less digits than its factorization.

23320142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163303.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23320142321 its reverse (12324102332), we get a palindrome (35644244653).

The spelling of 23320142321 in words is "twenty-three billion, three hundred twenty million, one hundred forty-two thousand, three hundred twenty-one".