23242131431 has 4 divisors (see below), whose sum is σ = 23292548664. Its totient is φ = 23191714200.

The previous prime is 23242131397. The next prime is 23242131433. The reversal of 23242131431 is 13413124232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23242131431 - 2²⁶ = 23175022567 is a prime.

It is a super-2 number, since 2×23242131431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23242131431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242131433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25207925 + ... + 25208846.

It is an arithmetic number, because the mean of its divisors is an integer number (5823137166).

Almost surely, 2^23242131431 is an apocalyptic number.

23242131431 is a deficient number, since it is larger than the sum of its proper divisors (50417233).

23242131431 is an equidigital number, since it uses as much as digits as its factorization.

23242131431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50417232.

The product of its digits is 3456, while the sum is 26.

Adding to 23242131431 its reverse (13413124232), we get a palindrome (36655255663).

The spelling of 23242131431 in words is "twenty-three billion, two hundred forty-two million, one hundred thirty-one thousand, four hundred thirty-one".