158150203123 has 4 divisors (see below), whose sum is σ = 172527494328. Its totient is φ = 143772911920.

The previous prime is 158150203117. The next prime is 158150203139. The reversal of 158150203123 is 321302051851.

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

It is not a de Polignac number, because 158150203123 - 2¹⁷ = 158150072051 is a prime.

It is a super-2 number, since 2×158150203123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158150200123) 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, 7188645586 + ... + 7188645607.

It is an arithmetic number, because the mean of its divisors is an integer number (43131873582).

Almost surely, 2^158150203123 is an apocalyptic number.

158150203123 is a deficient number, since it is larger than the sum of its proper divisors (14377291205).

158150203123 is a wasteful number, since it uses less digits than its factorization.

158150203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14377291204.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 158150203123 its reverse (321302051851), we get a palindrome (479452254974).

The spelling of 158150203123 in words is "one hundred fifty-eight billion, one hundred fifty million, two hundred three thousand, one hundred twenty-three".