120233231 has 4 divisors (see below), whose sum is σ = 127305792. Its totient is φ = 113160672.

The previous prime is 120233227. The next prime is 120233249. The reversal of 120233231 is 132332021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132332021 = 151 ⋅876371.

It is a cyclic number.

It is not a de Polignac number, because 120233231 - 2² = 120233227 is a prime.

It is a super-2 number, since 2×120233231² = 28912059673398722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 7072543 = 120233231 / (1 + 2 + 0 + 2 + 3 + 3 + 2 + 3 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120233251) 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, 3536255 + ... + 3536288.

It is an arithmetic number, because the mean of its divisors is an integer number (31826448).

Almost surely, 2^120233231 is an apocalyptic number.

120233231 is a deficient number, since it is larger than the sum of its proper divisors (7072561).

120233231 is an equidigital number, since it uses as much as digits as its factorization.

120233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072560.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 120233231 is about 10965.0914724867. The cubic root of 120233231 is about 493.5617620109.

Adding to 120233231 its reverse (132332021), we get a palindrome (252565252).

The spelling of 120233231 in words is "one hundred twenty million, two hundred thirty-three thousand, two hundred thirty-one".