23431424113 has 4 divisors (see below), whose sum is σ = 23431795200. Its totient is φ = 23431053028.

The previous prime is 23431424101. The next prime is 23431424117. The reversal of 23431424113 is 31142413432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23431424113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23431424117) 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, 64513 + ... + 225886.

It is an arithmetic number, because the mean of its divisors is an integer number (5857948800).

Almost surely, 2^23431424113 is an apocalyptic number.

It is an amenable number.

23431424113 is a deficient number, since it is larger than the sum of its proper divisors (371087).

23431424113 is an equidigital number, since it uses as much as digits as its factorization.

23431424113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371086.

The product of its digits is 6912, while the sum is 28.

Adding to 23431424113 its reverse (31142413432), we get a palindrome (54573837545).

The spelling of 23431424113 in words is "twenty-three billion, four hundred thirty-one million, four hundred twenty-four thousand, one hundred thirteen".