623142158 has 8 divisors (see below), whose sum is σ = 934850640. Its totient is φ = 311525280.

The previous prime is 623142131. The next prime is 623142161. The reversal of 623142158 is 851241326.

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

It is a super-2 number, since 2×623142158² = 776612298153793928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123 + ... + 35366.

It is an arithmetic number, because the mean of its divisors is an integer number (116856330).

Almost surely, 2^623142158 is an apocalyptic number.

623142158 is a deficient number, since it is larger than the sum of its proper divisors (311708482).

623142158 is a wasteful number, since it uses less digits than its factorization.

623142158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45802.

The product of its digits is 11520, while the sum is 32.

The square root of 623142158 is about 24962.8155062685. The cubic root of 623142158 is about 854.1399685023.

The spelling of 623142158 in words is "six hundred twenty-three million, one hundred forty-two thousand, one hundred fifty-eight".