423453123 has 32 divisors (see below), whose sum is σ = 646297920. Its totient is φ = 273818880.

The previous prime is 423453113. The next prime is 423453137. The reversal of 423453123 is 321354324.

423453123 is a `hidden beast` number, since 4 + 2 + 345 + 312 + 3 = 666.

It is not a de Polignac number, because 423453123 - 2⁹ = 423452611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (423453113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556063 + ... + 556823.

It is an arithmetic number, because the mean of its divisors is an integer number (20196810).

Almost surely, 2^423453123 is an apocalyptic number.

423453123 is a deficient number, since it is larger than the sum of its proper divisors (222844797).

423453123 is a wasteful number, since it uses less digits than its factorization.

423453123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1358 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 423453123 is about 20577.9766498069. The cubic root of 423453123 is about 750.9340203252.

The spelling of 423453123 in words is "four hundred twenty-three million, four hundred fifty-three thousand, one hundred twenty-three".