123550142 has 8 divisors (see below), whose sum is σ = 185488056. Its totient is φ = 61720792.

The previous prime is 123550139. The next prime is 123550157. The reversal of 123550142 is 241055321.

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

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, 24233 + ... + 28884.

It is an arithmetic number, because the mean of its divisors is an integer number (23186007).

Almost surely, 2^123550142 is an apocalyptic number.

123550142 is a deficient number, since it is larger than the sum of its proper divisors (61937914).

123550142 is a wasteful number, since it uses less digits than its factorization.

123550142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54282.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 123550142 is about 11115.3111517402. The cubic root of 123550142 is about 498.0593333713.

The spelling of 123550142 in words is "one hundred twenty-three million, five hundred fifty thousand, one hundred forty-two".