120133623 has 16 divisors (see below), whose sum is σ = 167512320. Its totient is φ = 76437504.

The previous prime is 120133609. The next prime is 120133639. The reversal of 120133623 is 326331021.

It is not a de Polignac number, because 120133623 - 2⁵ = 120133591 is a prime.

It is a super-2 number, since 2×120133623² = 28864174750212258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120133623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120133603) 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, 34423 + ... + 37751.

It is an arithmetic number, because the mean of its divisors is an integer number (10469520).

Almost surely, 2^120133623 is an apocalyptic number.

120133623 is a deficient number, since it is larger than the sum of its proper divisors (47378697).

120133623 is a wasteful number, since it uses less digits than its factorization.

120133623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 120133623 is about 10960.5484808015. The cubic root of 120133623 is about 493.4254262070.

Adding to 120133623 its reverse (326331021), we get a palindrome (446464644).

The spelling of 120133623 in words is "one hundred twenty million, one hundred thirty-three thousand, six hundred twenty-three".