120233523 has 4 divisors (see below), whose sum is σ = 160311368. Its totient is φ = 80155680.

The previous prime is 120233513. The next prime is 120233543. The reversal of 120233523 is 325332021.

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

It is not a de Polignac number, because 120233523 - 2²¹ = 118136371 is a prime.

It is a super-2 number, since 2×120233523² = 28912200105983058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120233523.

It is not an unprimeable number, because it can be changed into a prime (120233513) 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, 20038918 + ... + 20038923.

It is an arithmetic number, because the mean of its divisors is an integer number (40077842).

Almost surely, 2^120233523 is an apocalyptic number.

120233523 is a deficient number, since it is larger than the sum of its proper divisors (40077845).

120233523 is an equidigital number, since it uses as much as digits as its factorization.

120233523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40077844.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 120233523 is about 10965.1047874610. The cubic root of 120233523 is about 493.5621615675.

Adding to 120233523 its reverse (325332021), we get a palindrome (445565544).

The spelling of 120233523 in words is "one hundred twenty million, two hundred thirty-three thousand, five hundred twenty-three".