23443233431 has 2 divisors, whose sum is σ = 23443233432. Its totient is φ = 23443233430.

The previous prime is 23443233409. The next prime is 23443233433. The reversal of 23443233431 is 13433234432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23443233431 - 2⁶ = 23443233367 is a prime.

It is a super-2 number, since 2×23443233431² (a number of 22 digits) contains 22 as substring.

Together with 23443233433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23443233433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721616715 + 11721616716.

It is an arithmetic number, because the mean of its divisors is an integer number (11721616716).

Almost surely, 2^23443233431 is an apocalyptic number.

23443233431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443233431 is an equidigital number, since it uses as much as digits as its factorization.

23443233431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 32.

Adding to 23443233431 its reverse (13433234432), we get a palindrome (36876467863).

The spelling of 23443233431 in words is "twenty-three billion, four hundred forty-three million, two hundred thirty-three thousand, four hundred thirty-one".