23221241831 has 2 divisors, whose sum is σ = 23221241832. Its totient is φ = 23221241830.

The previous prime is 23221241809. The next prime is 23221241861. The reversal of 23221241831 is 13814212232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23221241831 is a prime.

It is a super-2 number, since 2×23221241831² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23221241794 and 23221241803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221241861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610620915 + 11610620916.

It is an arithmetic number, because the mean of its divisors is an integer number (11610620916).

Almost surely, 2^23221241831 is an apocalyptic number.

23221241831 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221241831 is an equidigital number, since it uses as much as digits as its factorization.

23221241831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The spelling of 23221241831 in words is "twenty-three billion, two hundred twenty-one million, two hundred forty-one thousand, eight hundred thirty-one".