23224213431 has 16 divisors (see below), whose sum is σ = 34617329920. Its totient is φ = 15387819480.

The previous prime is 23224213421. The next prime is 23224213459. The reversal of 23224213431 is 13431242232.

23224213431 is a `hidden beast` number, since 2 + 3 + 224 + 2 + 1 + 3 + 431 = 666.

It is not a de Polignac number, because 23224213431 - 2⁶ = 23224213367 is a prime.

It is a super-2 number, since 2×23224213431² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23224213395 and 23224213404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224213421) 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, 2634115 + ... + 2642916.

It is an arithmetic number, because the mean of its divisors is an integer number (2163583120).

Almost surely, 2^23224213431 is an apocalyptic number.

23224213431 is a deficient number, since it is larger than the sum of its proper divisors (11393116489).

23224213431 is a wasteful number, since it uses less digits than its factorization.

23224213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277203 (or 5277197 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 23224213431 its reverse (13431242232), we get a palindrome (36655455663).

The spelling of 23224213431 in words is "twenty-three billion, two hundred twenty-four million, two hundred thirteen thousand, four hundred thirty-one".