120142723 has 8 divisors (see below), whose sum is σ = 128066400. Its totient is φ = 112314240.

The previous prime is 120142717. The next prime is 120142741. The reversal of 120142723 is 327241021.

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

It is not a de Polignac number, because 120142723 - 2⁵ = 120142691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120142694 and 120142703.

It is not an unprimeable number, because it can be changed into a prime (120142793) 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, 21183 + ... + 26248.

It is an arithmetic number, because the mean of its divisors is an integer number (16008300).

Almost surely, 2^120142723 is an apocalyptic number.

120142723 is a deficient number, since it is larger than the sum of its proper divisors (7923677).

120142723 is a wasteful number, since it uses less digits than its factorization.

120142723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47597.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 120142723 is about 10960.9635981514. The cubic root of 120142723 is about 493.4378847175.

Adding to 120142723 its reverse (327241021), we get a palindrome (447383744).

The spelling of 120142723 in words is "one hundred twenty million, one hundred forty-two thousand, seven hundred twenty-three".