158622423 has 8 divisors (see below), whose sum is σ = 211581936. Its totient is φ = 105705600.

The previous prime is 158622413. The next prime is 158622463. The reversal of 158622423 is 324226851.

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

It is not a de Polignac number, because 158622423 - 2⁴ = 158622407 is a prime.

It is a super-3 number, since 3×158622423³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158622403) 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, 658 + ... + 17823.

It is an arithmetic number, because the mean of its divisors is an integer number (26447742).

Almost surely, 2^158622423 is an apocalyptic number.

158622423 is a deficient number, since it is larger than the sum of its proper divisors (52959513).

158622423 is a wasteful number, since it uses less digits than its factorization.

158622423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21345.

The product of its digits is 23040, while the sum is 33.

The square root of 158622423 is about 12594.5394119833. The cubic root of 158622423 is about 541.3209805802.

The spelling of 158622423 in words is "one hundred fifty-eight million, six hundred twenty-two thousand, four hundred twenty-three".