23431021034443 has 16 divisors (see below), whose sum is σ = 26448323132160. Its totient is φ = 20561908903200.

The previous prime is 23431021034437. The next prime is 23431021034503. The reversal of 23431021034443 is 34443012013432.

It is a cyclic number.

It is not a de Polignac number, because 23431021034443 - 2⁵ = 23431021034411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23431021034399 and 23431021034408.

It is not an unprimeable number, because it can be changed into a prime (23431021038443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6584673 + ... + 9498418.

It is an arithmetic number, because the mean of its divisors is an integer number (1653020195760).

Almost surely, 2^{23431021034443} is an apocalyptic number.

23431021034443 is a deficient number, since it is larger than the sum of its proper divisors (3017302097717).

23431021034443 is a wasteful number, since it uses less digits than its factorization.

23431021034443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16087698.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 23431021034443 its reverse (34443012013432), we get a palindrome (57874033047875).

The spelling of 23431021034443 in words is "twenty-three trillion, four hundred thirty-one billion, twenty-one million, thirty-four thousand, four hundred forty-three".