23243421329 has 8 divisors (see below), whose sum is σ = 23323491240. Its totient is φ = 23163465600.

The previous prime is 23243421277. The next prime is 23243421353. The reversal of 23243421329 is 92312434232.

It can be written as a sum of positive squares in 4 ways, for example, as 6585647104 + 16657774225 = 81152^2 + 129065^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23243421329 - 2²⁰ = 23242372753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23243421529) 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, 389759 + ... + 445419.

It is an arithmetic number, because the mean of its divisors is an integer number (2915436405).

Almost surely, 2^23243421329 is an apocalyptic number.

It is an amenable number.

23243421329 is a deficient number, since it is larger than the sum of its proper divisors (80069911).

23243421329 is a wasteful number, since it uses less digits than its factorization.

23243421329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57091.

The product of its digits is 62208, while the sum is 35.

The spelling of 23243421329 in words is "twenty-three billion, two hundred forty-three million, four hundred twenty-one thousand, three hundred twenty-nine".