120233431 has 4 divisors (see below), whose sum is σ = 121336600. Its totient is φ = 119130264.

The previous prime is 120233423. The next prime is 120233447. The reversal of 120233431 is 134332021.

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

It is a cyclic number.

It is not a de Polignac number, because 120233431 - 2³ = 120233423 is a prime.

It is a super-2 number, since 2×120233431² = 28912155860063522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120233399 and 120233408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120237431) 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 3 ways as a sum of consecutive naturals, for example, 551421 + ... + 551638.

It is an arithmetic number, because the mean of its divisors is an integer number (30334150).

Almost surely, 2^120233431 is an apocalyptic number.

120233431 is a deficient number, since it is larger than the sum of its proper divisors (1103169).

120233431 is a wasteful number, since it uses less digits than its factorization.

120233431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103168.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 120233431 is about 10965.1005923338. The cubic root of 120233431 is about 493.5620356799.

Adding to 120233431 its reverse (134332021), we get a palindrome (254565452).

The spelling of 120233431 in words is "one hundred twenty million, two hundred thirty-three thousand, four hundred thirty-one".