158122073323 has 4 divisors (see below), whose sum is σ = 163574558640. Its totient is φ = 152669588008.

The previous prime is 158122073321. The next prime is 158122073363. The reversal of 158122073323 is 323370221851.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 158122073323 - 2¹ = 158122073321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158122073321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2726242615 + ... + 2726242672.

It is an arithmetic number, because the mean of its divisors is an integer number (40893639660).

Almost surely, 2^158122073323 is an apocalyptic number.

158122073323 is a deficient number, since it is larger than the sum of its proper divisors (5452485317).

158122073323 is an equidigital number, since it uses as much as digits as its factorization.

158122073323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452485316.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 158122073323 in words is "one hundred fifty-eight billion, one hundred twenty-two million, seventy-three thousand, three hundred twenty-three".