23563271093 has 2 divisors, whose sum is σ = 23563271094. Its totient is φ = 23563271092.

The previous prime is 23563271057. The next prime is 23563271111. The reversal of 23563271093 is 39017236532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21543487729 + 2019783364 = 146777^2 + 44942^2 .

It is a cyclic number.

It is not a de Polignac number, because 23563271093 - 2⁶ = 23563271029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23563271093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23563271293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11781635546 + 11781635547.

It is an arithmetic number, because the mean of its divisors is an integer number (11781635547).

Almost surely, 2^23563271093 is an apocalyptic number.

It is an amenable number.

23563271093 is a deficient number, since it is larger than the sum of its proper divisors (1).

23563271093 is an equidigital number, since it uses as much as digits as its factorization.

23563271093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 41.

The spelling of 23563271093 in words is "twenty-three billion, five hundred sixty-three million, two hundred seventy-one thousand, ninety-three".