120723103 has 6 divisors (see below), whose sum is σ = 128242496. Its totient is φ = 113621472.

The previous prime is 120723091. The next prime is 120723133. The reversal of 120723103 is 301327021.

It is not a de Polignac number, because 120723103 - 2²⁵ = 87168671 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 (120723133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208575 + ... + 209152.

Almost surely, 2^120723103 is an apocalyptic number.

120723103 is a deficient number, since it is larger than the sum of its proper divisors (7519393).

120723103 is an equidigital number, since it uses as much as digits as its factorization.

120723103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417761 (or 417744 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 120723103 is about 10987.4065638803. The cubic root of 120723103 is about 494.2311677945.

It can be divided in two parts, 1207 and 23103, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 120723103 in words is "one hundred twenty million, seven hundred twenty-three thousand, one hundred three".