120031223 has 4 divisors (see below), whose sum is σ = 129264408. Its totient is φ = 110798040.

The previous prime is 120031213. The next prime is 120031229. The reversal of 120031223 is 322130021.

It is a happy number.

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 120031223 - 2⁴ = 120031207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120031198 and 120031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031229) 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, 4616573 + ... + 4616598.

It is an arithmetic number, because the mean of its divisors is an integer number (32316102).

Almost surely, 2^120031223 is an apocalyptic number.

120031223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120031223 is a deficient number, since it is larger than the sum of its proper divisors (9233185).

120031223 is an equidigital number, since it uses as much as digits as its factorization.

120031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233184.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120031223 is about 10955.8761858648. The cubic root of 120031223 is about 493.2851903450.

Adding to 120031223 its reverse (322130021), we get a palindrome (442161244).

It can be divided in two parts, 1200 and 31223, that added together give a palindrome (32423).

The spelling of 120031223 in words is "one hundred twenty million, thirty-one thousand, two hundred twenty-three".