158422440823 has 8 divisors (see below), whose sum is σ = 164155294080. Its totient is φ = 152707588320.

The previous prime is 158422440809. The next prime is 158422440907. The reversal of 158422440823 is 328044224851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158422440823 - 2⁵ = 158422440791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158422440823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158422440023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4482268 + ... + 4517473.

It is an arithmetic number, because the mean of its divisors is an integer number (20519411760).

Almost surely, 2^158422440823 is an apocalyptic number.

158422440823 is a deficient number, since it is larger than the sum of its proper divisors (5732853257).

158422440823 is an equidigital number, since it uses as much as digits as its factorization.

158422440823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000377.

The product of its (nonzero) digits is 491520, while the sum is 43.

The spelling of 158422440823 in words is "one hundred fifty-eight billion, four hundred twenty-two million, four hundred forty thousand, eight hundred twenty-three".