23424323431 has 4 divisors (see below), whose sum is σ = 23595304032. Its totient is φ = 23253342832.

The previous prime is 23424323393. The next prime is 23424323459. The reversal of 23424323431 is 13432342432.

It is a happy number.

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 23424323431 - 2¹¹ = 23424321383 is a prime.

It is a super-2 number, since 2×23424323431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23424323393 and 23424323402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23424323471) 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, 85490095 + ... + 85490368.

It is an arithmetic number, because the mean of its divisors is an integer number (5898826008).

Almost surely, 2^23424323431 is an apocalyptic number.

23424323431 is a deficient number, since it is larger than the sum of its proper divisors (170980601).

23424323431 is a wasteful number, since it uses less digits than its factorization.

23424323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170980600.

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

Adding to 23424323431 its reverse (13432342432), we get a palindrome (36856665863).

The spelling of 23424323431 in words is "twenty-three billion, four hundred twenty-four million, three hundred twenty-three thousand, four hundred thirty-one".