142044123 has 8 divisors (see below), whose sum is σ = 203960848. Its totient is φ = 87411744.

The previous prime is 142044109. The next prime is 142044151. The reversal of 142044123 is 321440241.

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

It is not a de Polignac number, because 142044123 - 2²² = 137849819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142044123.

It is not an unprimeable number, because it can be changed into a prime (142044223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821040 + ... + 1821117.

It is an arithmetic number, because the mean of its divisors is an integer number (25495106).

Almost surely, 2^142044123 is an apocalyptic number.

142044123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142044123 is a deficient number, since it is larger than the sum of its proper divisors (61916725).

142044123 is a wasteful number, since it uses less digits than its factorization.

142044123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642173.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142044123 is about 11918.2265039728. The cubic root of 142044123 is about 521.7643752420.

Adding to 142044123 its reverse (321440241), we get a palindrome (463484364).

The spelling of 142044123 in words is "one hundred forty-two million, forty-four thousand, one hundred twenty-three".