23442323431 has 2 divisors, whose sum is σ = 23442323432. Its totient is φ = 23442323430.

The previous prime is 23442323407. The next prime is 23442323453. The reversal of 23442323431 is 13432324432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23442323431 - 2⁹ = 23442322919 is a prime.

It is a super-2 number, since 2×23442323431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23442323393 and 23442323402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23442323491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721161715 + 11721161716.

It is an arithmetic number, because the mean of its divisors is an integer number (11721161716).

Almost surely, 2^23442323431 is an apocalyptic number.

23442323431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23442323431 is an equidigital number, since it uses as much as digits as its factorization.

23442323431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 31.

Adding to 23442323431 its reverse (13432324432), we get a palindrome (36874647863).

The spelling of 23442323431 in words is "twenty-three billion, four hundred forty-two million, three hundred twenty-three thousand, four hundred thirty-one".