142162623 has 12 divisors (see below), whose sum is σ = 205609768. Its totient is φ = 94653360.

The previous prime is 142162613. The next prime is 142162627. The reversal of 142162623 is 326261241.

142162623 is a `hidden beast` number, since 14 + 2 + 1 + 626 + 23 = 666.

It is not a de Polignac number, because 142162623 - 2⁴ = 142162607 is a prime.

It is a super-2 number, since 2×142162623² = 40420422756480258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142162627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2440 + ... + 17037.

Almost surely, 2^142162623 is an apocalyptic number.

142162623 is a deficient number, since it is larger than the sum of its proper divisors (63447145).

142162623 is a wasteful number, since it uses less digits than its factorization.

142162623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20294 (or 20291 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 142162623 is about 11923.1968448063. The cubic root of 142162623 is about 521.9094285102.

The spelling of 142162623 in words is "one hundred forty-two million, one hundred sixty-two thousand, six hundred twenty-three".