23545756056947 has 2 divisors, whose sum is σ = 23545756056948. Its totient is φ = 23545756056946.

The previous prime is 23545756056943. The next prime is 23545756056989. The reversal of 23545756056947 is 74965065754532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23545756056947 - 2² = 23545756056943 is a prime.

It is not a weakly prime, because it can be changed into another prime (23545756056941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772878028473 + 11772878028474.

It is an arithmetic number, because the mean of its divisors is an integer number (11772878028474).

Almost surely, 2^{23545756056947} is an apocalyptic number.

23545756056947 is a deficient number, since it is larger than the sum of its proper divisors (1).

23545756056947 is an equidigital number, since it uses as much as digits as its factorization.

23545756056947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560000, while the sum is 68.

The spelling of 23545756056947 in words is "twenty-three trillion, five hundred forty-five billion, seven hundred fifty-six million, fifty-six thousand, nine hundred forty-seven".