23573260067081 has 2 divisors, whose sum is σ = 23573260067082. Its totient is φ = 23573260067080.

The previous prime is 23573260066987. The next prime is 23573260067087. The reversal of 23573260067081 is 18076006237532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13438052982025 + 10135207085056 = 3665795^2 + 3183584^2 .

It is a cyclic number.

It is not a de Polignac number, because 23573260067081 - 2¹⁸ = 23573259804937 is a prime.

It is a super-2 number, since 2×23573260067081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23573260067087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11786630033540 + 11786630033541.

It is an arithmetic number, because the mean of its divisors is an integer number (11786630033541).

Almost surely, 2^{23573260067081} is an apocalyptic number.

It is an amenable number.

23573260067081 is a deficient number, since it is larger than the sum of its proper divisors (1).

23573260067081 is an equidigital number, since it uses as much as digits as its factorization.

23573260067081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 23573260067081 in words is "twenty-three trillion, five hundred seventy-three billion, two hundred sixty million, sixty-seven thousand, eighty-one".