158723623540613 has 2 divisors, whose sum is σ = 158723623540614. Its totient is φ = 158723623540612.

The previous prime is 158723623540609. The next prime is 158723623540627. The reversal of 158723623540613 is 316045326327851.

158723623540613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119598873760129 + 39124749780484 = 10936127^2 + 6254978^2 .

It is a cyclic number.

It is not a de Polignac number, because 158723623540613 - 2² = 158723623540609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158723623540663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79361811770306 + 79361811770307.

It is an arithmetic number, because the mean of its divisors is an integer number (79361811770307).

Almost surely, 2^{158723623540613} is an apocalyptic number.

It is an amenable number.

158723623540613 is a deficient number, since it is larger than the sum of its proper divisors (1).

158723623540613 is an equidigital number, since it uses as much as digits as its factorization.

158723623540613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 158723623540613 in words is "one hundred fifty-eight trillion, seven hundred twenty-three billion, six hundred twenty-three million, five hundred forty thousand, six hundred thirteen".