158012823 has 8 divisors (see below), whose sum is σ = 210860928. Its totient is φ = 105253304.

The previous prime is 158012809. The next prime is 158012839. The reversal of 158012823 is 328210851.

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 158012823 - 2⁵ = 158012791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158012623) 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, 17865 + ... + 25202.

It is an arithmetic number, because the mean of its divisors is an integer number (26357616).

Almost surely, 2^158012823 is an apocalyptic number.

158012823 is a deficient number, since it is larger than the sum of its proper divisors (52848105).

158012823 is a wasteful number, since it uses less digits than its factorization.

158012823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44293.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 158012823 is about 12570.3151511806. The cubic root of 158012823 is about 540.6266422172.

The spelling of 158012823 in words is "one hundred fifty-eight million, twelve thousand, eight hundred twenty-three".