158918423 has 2 divisors, whose sum is σ = 158918424. Its totient is φ = 158918422.

The previous prime is 158918401. The next prime is 158918467. The reversal of 158918423 is 324819851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158918423 - 2²⁰ = 157869847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158918723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79459211 + 79459212.

It is an arithmetic number, because the mean of its divisors is an integer number (79459212).

Almost surely, 2^158918423 is an apocalyptic number.

158918423 is a deficient number, since it is larger than the sum of its proper divisors (1).

158918423 is an equidigital number, since it uses as much as digits as its factorization.

158918423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 158918423 is about 12606.2850594455. The cubic root of 158918423 is about 541.6574850146.

The spelling of 158918423 in words is "one hundred fifty-eight million, nine hundred eighteen thousand, four hundred twenty-three".