123162225671142 has 80 divisors (see below), whose sum is σ = 318522330273312. Its totient is φ = 34840799308800.

The previous prime is 123162225671039. The next prime is 123162225671143. The reversal of 123162225671142 is 241176522261321.

123162225671142 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 62 + 22 + 567 + 1 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123162225671143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 537552123 + ... + 537781190.

Almost surely, 2^{123162225671142} is an apocalyptic number.

123162225671142 is an abundant number, since it is smaller than the sum of its proper divisors (195360104602170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123162225671142 is a wasteful number, since it uses less digits than its factorization.

123162225671142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075333435 (or 1075333426 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 123162225671142 in words is "one hundred twenty-three trillion, one hundred sixty-two billion, two hundred twenty-five million, six hundred seventy-one thousand, one hundred forty-two".