120143023 has 32 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 81855360.

The previous prime is 120143017. The next prime is 120143041. The reversal of 120143023 is 320341021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120143023 - 2⁵ = 120142991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120142988 and 120143006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120143003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15861 + ... + 22177.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2^120143023 is an apocalyptic number.

120143023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120143023 is a deficient number, since it is larger than the sum of its proper divisors (49684817).

120143023 is a wasteful number, since it uses less digits than its factorization.

120143023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367.

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

The square root of 120143023 is about 10960.9772830711. The cubic root of 120143023 is about 493.4382954269.

Adding to 120143023 its reverse (320341021), we get a palindrome (440484044).

The spelling of 120143023 in words is "one hundred twenty million, one hundred forty-three thousand, twenty-three".