423996123 has 8 divisors (see below), whose sum is σ = 567341136. Its totient is φ = 281657600.

The previous prime is 423996119. The next prime is 423996137. The reversal of 423996123 is 321699324.

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 423996123 - 2² = 423996119 is a prime.

It is a super-3 number, since 3×423996123³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (423996113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250638 + ... + 252323.

It is an arithmetic number, because the mean of its divisors is an integer number (70917642).

Almost surely, 2^423996123 is an apocalyptic number.

423996123 is a deficient number, since it is larger than the sum of its proper divisors (143345013).

423996123 is a wasteful number, since it uses less digits than its factorization.

423996123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503245.

The product of its digits is 69984, while the sum is 39.

The square root of 423996123 is about 20591.1661398766. The cubic root of 423996123 is about 751.2548610385.

The spelling of 423996123 in words is "four hundred twenty-three million, nine hundred ninety-six thousand, one hundred twenty-three".