423123259 has 4 divisors (see below), whose sum is σ = 455671216. Its totient is φ = 390575304.

The previous prime is 423123191. The next prime is 423123271. The reversal of 423123259 is 952321324.

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 423123259 - 2²⁵ = 389568827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423123259.

It is not an unprimeable number, because it can be changed into a prime (423123059) 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, 16273959 + ... + 16273984.

It is an arithmetic number, because the mean of its divisors is an integer number (113917804).

Almost surely, 2^423123259 is an apocalyptic number.

423123259 is a deficient number, since it is larger than the sum of its proper divisors (32547957).

423123259 is a wasteful number, since it uses less digits than its factorization.

423123259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32547956.

The product of its digits is 12960, while the sum is 31.

The square root of 423123259 is about 20569.9601117746. The cubic root of 423123259 is about 750.7389806746.

The spelling of 423123259 in words is "four hundred twenty-three million, one hundred twenty-three thousand, two hundred fifty-nine".