23845409231 has 4 divisors (see below), whose sum is σ = 27251896272. Its totient is φ = 20438922192.

The previous prime is 23845409201. The next prime is 23845409233. The reversal of 23845409231 is 13290454832.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23845409231 is a prime.

It is a super-2 number, since 2×23845409231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23845409233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703243510 + ... + 1703243523.

It is an arithmetic number, because the mean of its divisors is an integer number (6812974068).

Almost surely, 2^23845409231 is an apocalyptic number.

23845409231 is a deficient number, since it is larger than the sum of its proper divisors (3406487041).

23845409231 is an equidigital number, since it uses as much as digits as its factorization.

23845409231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406487040.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 23845409231 in words is "twenty-three billion, eight hundred forty-five million, four hundred nine thousand, two hundred thirty-one".