120023143 has 4 divisors (see below), whose sum is σ = 120046408. Its totient is φ = 119999880.

The previous prime is 120023093. The next prime is 120023147. The reversal of 120023143 is 341320021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341320021 = 7 ⋅48760003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120023143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120023147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48 + ... + 15493.

It is an arithmetic number, because the mean of its divisors is an integer number (30011602).

Almost surely, 2^120023143 is an apocalyptic number.

120023143 is a deficient number, since it is larger than the sum of its proper divisors (23265).

120023143 is an equidigital number, since it uses as much as digits as its factorization.

120023143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23264.

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

The square root of 120023143 is about 10955.5074277735. The cubic root of 120023143 is about 493.2741214646.

Adding to 120023143 its reverse (341320021), we get a palindrome (461343164).

The spelling of 120023143 in words is "one hundred twenty million, twenty-three thousand, one hundred forty-three".