120023131 has 4 divisors (see below), whose sum is σ = 125241552. Its totient is φ = 114804712.

The previous prime is 120023093. The next prime is 120023147. The reversal of 120023131 is 131320021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120023131 - 2⁷ = 120023003 is a prime.

It is a super-2 number, since 2×120023131² = 28811103950086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120023161) 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, 2609176 + ... + 2609221.

It is an arithmetic number, because the mean of its divisors is an integer number (31310388).

Almost surely, 2^120023131 is an apocalyptic number.

120023131 is a deficient number, since it is larger than the sum of its proper divisors (5218421).

120023131 is an equidigital number, since it uses as much as digits as its factorization.

120023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218420.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120023131 is about 10955.5068801037. The cubic root of 120023131 is about 493.2741050253.

Adding to 120023131 its reverse (131320021), we get a palindrome (251343152).

The spelling of 120023131 in words is "one hundred twenty million, twenty-three thousand, one hundred thirty-one".