72323541545159 has 2 divisors, whose sum is σ = 72323541545160. Its totient is φ = 72323541545158.

The previous prime is 72323541545117. The next prime is 72323541545183. The reversal of 72323541545159 is 95154514532327.

It is a strong prime.

It is an emirp because it is prime and its reverse (95154514532327) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72323541545159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72323541145159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36161770772579 + 36161770772580.

It is an arithmetic number, because the mean of its divisors is an integer number (36161770772580).

Almost surely, 2^{72323541545159} is an apocalyptic number.

72323541545159 is a deficient number, since it is larger than the sum of its proper divisors (1).

72323541545159 is an equidigital number, since it uses as much as digits as its factorization.

72323541545159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680000, while the sum is 56.

The spelling of 72323541545159 in words is "seventy-two trillion, three hundred twenty-three billion, five hundred forty-one million, five hundred forty-five thousand, one hundred fifty-nine".