123300142 has 16 divisors (see below), whose sum is σ = 211835520. Its totient is φ = 52726968.

The previous prime is 123300131. The next prime is 123300187. The reversal of 123300142 is 241003321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2892 + ... + 15967.

It is an arithmetic number, because the mean of its divisors is an integer number (13239720).

Almost surely, 2^123300142 is an apocalyptic number.

123300142 is a deficient number, since it is larger than the sum of its proper divisors (88535378).

123300142 is a wasteful number, since it uses less digits than its factorization.

123300142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19335.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123300142 is about 11104.0597080527. The cubic root of 123300142 is about 497.7231704988.

Adding to 123300142 its reverse (241003321), we get a palindrome (364303463).

The spelling of 123300142 in words is "one hundred twenty-three million, three hundred thousand, one hundred forty-two".