158620123073 has 2 divisors, whose sum is σ = 158620123074. Its totient is φ = 158620123072.

The previous prime is 158620123063. The next prime is 158620123141. The reversal of 158620123073 is 370321026851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114925746049 + 43694377024 = 339007^2 + 209032^2 .

It is an emirp because it is prime and its reverse (370321026851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158620123073 - 2²⁶ = 158553014209 is a prime.

It is not a weakly prime, because it can be changed into another prime (158620123033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79310061536 + 79310061537.

It is an arithmetic number, because the mean of its divisors is an integer number (79310061537).

Almost surely, 2^158620123073 is an apocalyptic number.

It is an amenable number.

158620123073 is a deficient number, since it is larger than the sum of its proper divisors (1).

158620123073 is an equidigital number, since it uses as much as digits as its factorization.

158620123073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 158620123073 in words is "one hundred fifty-eight billion, six hundred twenty million, one hundred twenty-three thousand, seventy-three".