120423231 has 12 divisors (see below), whose sum is σ = 174061680. Its totient is φ = 80228160.

The previous prime is 120423203. The next prime is 120423241. The reversal of 120423231 is 132324021.

120423231 is a `hidden beast` number, since 12 + 0 + 423 + 231 = 666.

It is not a de Polignac number, because 120423231 - 2⁹ = 120422719 is a prime.

It is a super-2 number, since 2×120423231² = 29003509128958722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120423241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13351 + ... + 20471.

It is an arithmetic number, because the mean of its divisors is an integer number (14505140).

Almost surely, 2^120423231 is an apocalyptic number.

120423231 is a deficient number, since it is larger than the sum of its proper divisors (53638449).

120423231 is a wasteful number, since it uses less digits than its factorization.

120423231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006 (or 9003 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 120423231 is about 10973.7519108097. The cubic root of 120423231 is about 493.8216108066.

Adding to 120423231 its reverse (132324021), we get a palindrome (252747252).

The spelling of 120423231 in words is "one hundred twenty million, four hundred twenty-three thousand, two hundred thirty-one".