23112564430447 has 2 divisors, whose sum is σ = 23112564430448. Its totient is φ = 23112564430446.

The previous prime is 23112564430391. The next prime is 23112564430453. The reversal of 23112564430447 is 74403446521132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23112564430447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23112564430397 and 23112564430406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23112564430477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556282215223 + 11556282215224.

It is an arithmetic number, because the mean of its divisors is an integer number (11556282215224).

Almost surely, 2^{23112564430447} is an apocalyptic number.

23112564430447 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112564430447 is an equidigital number, since it uses as much as digits as its factorization.

23112564430447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 23112564430447 in words is "twenty-three trillion, one hundred twelve billion, five hundred sixty-four million, four hundred thirty thousand, four hundred forty-seven".