23225083991 has 2 divisors, whose sum is σ = 23225083992. Its totient is φ = 23225083990.

The previous prime is 23225083951. The next prime is 23225083993. The reversal of 23225083991 is 19938052232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23225083991 is a prime.

Together with 23225083993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23225083993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11612541995 + 11612541996.

It is an arithmetic number, because the mean of its divisors is an integer number (11612541996).

Almost surely, 2^23225083991 is an apocalyptic number.

23225083991 is a deficient number, since it is larger than the sum of its proper divisors (1).

23225083991 is an equidigital number, since it uses as much as digits as its factorization.

23225083991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 23225083991 in words is "twenty-three billion, two hundred twenty-five million, eighty-three thousand, nine hundred ninety-one".