23242031431 has 4 divisors (see below), whose sum is σ = 23242674312. Its totient is φ = 23241388552.

The previous prime is 23242031341. The next prime is 23242031441. The reversal of 23242031431 is 13413024232.

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 23242031431 - 2¹⁷ = 23241900359 is a prime.

It is a super-2 number, since 2×23242031431² (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 = 23242031396 and 23242031405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242031441) 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, 263761 + ... + 340666.

It is an arithmetic number, because the mean of its divisors is an integer number (5810668578).

Almost surely, 2^23242031431 is an apocalyptic number.

23242031431 is a deficient number, since it is larger than the sum of its proper divisors (642881).

23242031431 is an equidigital number, since it uses as much as digits as its factorization.

23242031431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642880.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23242031431 its reverse (13413024232), we get a palindrome (36655055663).

The spelling of 23242031431 in words is "twenty-three billion, two hundred forty-two million, thirty-one thousand, four hundred thirty-one".