72815500800023 has 2 divisors, whose sum is σ = 72815500800024. Its totient is φ = 72815500800022.

The previous prime is 72815500799989. The next prime is 72815500800067. The reversal of 72815500800023 is 32000800551827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72815500800023 - 2²⁰ = 72815499751447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72815500806023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36407750400011 + 36407750400012.

It is an arithmetic number, because the mean of its divisors is an integer number (36407750400012).

Almost surely, 2^{72815500800023} is an apocalyptic number.

72815500800023 is a deficient number, since it is larger than the sum of its proper divisors (1).

72815500800023 is an equidigital number, since it uses as much as digits as its factorization.

72815500800023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 72815500800023 in words is "seventy-two trillion, eight hundred fifteen billion, five hundred million, eight hundred thousand, twenty-three".