120505023 has 16 divisors (see below), whose sum is σ = 178848000. Its totient is φ = 80191800.

The previous prime is 120505009. The next prime is 120505031. The reversal of 120505023 is 320505021.

It is a happy number.

It is not a de Polignac number, because 120505023 - 2⁵ = 120504991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120504987 and 120505005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120505003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12448 + ... + 19898.

It is an arithmetic number, because the mean of its divisors is an integer number (11178000).

Almost surely, 2^120505023 is an apocalyptic number.

120505023 is a deficient number, since it is larger than the sum of its proper divisors (58342977).

120505023 is an equidigital number, since it uses as much as digits as its factorization.

120505023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8059 (or 8053 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 120505023 is about 10977.4779890465. The cubic root of 120505023 is about 493.9333874569.

The spelling of 120505023 in words is "one hundred twenty million, five hundred five thousand, twenty-three".