23244203131 has 4 divisors (see below), whose sum is σ = 23253935200. Its totient is φ = 23234471064.

The previous prime is 23244203117. The next prime is 23244203197. The reversal of 23244203131 is 13130244232.

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-23244203131 is a prime.

It is a super-2 number, since 2×23244203131² (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 = 23244203096 and 23244203105.

It is not an unprimeable number, because it can be changed into a prime (23241203131) 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, 4862451 + ... + 4867228.

It is an arithmetic number, because the mean of its divisors is an integer number (5813483800).

Almost surely, 2^23244203131 is an apocalyptic number.

23244203131 is a deficient number, since it is larger than the sum of its proper divisors (9732069).

23244203131 is an equidigital number, since it uses as much as digits as its factorization.

23244203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9732068.

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

Adding to 23244203131 its reverse (13130244232), we get a palindrome (36374447363).

The spelling of 23244203131 in words is "twenty-three billion, two hundred forty-four million, two hundred three thousand, one hundred thirty-one".