120423423 has 16 divisors (see below), whose sum is σ = 168030720. Its totient is φ = 76569504.

The previous prime is 120423409. The next prime is 120423431. The reversal of 120423423 is 324324021.

It is not a de Polignac number, because 120423423 - 2¹³ = 120415231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120423423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120423403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23398 + ... + 28076.

It is an arithmetic number, because the mean of its divisors is an integer number (10501920).

Almost surely, 2^120423423 is an apocalyptic number.

120423423 is a deficient number, since it is larger than the sum of its proper divisors (47607297).

120423423 is a wasteful number, since it uses less digits than its factorization.

120423423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 120423423 is about 10973.7606589537. The cubic root of 120423423 is about 493.8218732524.

Adding to 120423423 its reverse (324324021), we get a palindrome (444747444).

The spelling of 120423423 in words is "one hundred twenty million, four hundred twenty-three thousand, four hundred twenty-three".