120423 has 8 divisors (see below), whose sum is σ = 162288. Its totient is φ = 79424.

The previous prime is 120413. The next prime is 120427. The reversal of 120423 is 324021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120423 - 2⁵ = 120391 is a prime.

120423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 120399 and 120408.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 120423.

It is not an unprimeable number, because it can be changed into a prime (120427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265 + ... + 557.

It is an arithmetic number, because the mean of its divisors is an integer number (20286).

2¹²⁰⁴²³ is an apocalyptic number.

120423 is a deficient number, since it is larger than the sum of its proper divisors (41865).

120423 is a wasteful number, since it uses less digits than its factorization.

120423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120423 is about 347.0201723243. The cubic root of 120423 is about 49.3821295051.

Adding to 120423 its reverse (324021), we get a palindrome (444444).

The spelling of 120423 in words is "one hundred twenty thousand, four hundred twenty-three", and thus it is an iban number.