423001123 has 8 divisors (see below), whose sum is σ = 471456720. Its totient is φ = 377164800.

The previous prime is 423001099. The next prime is 423001171. The reversal of 423001123 is 321100324.

It is a happy number.

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 423001123 - 2²⁵ = 389446691 is a prime.

It is a super-2 number, since 2×423001123² = 357859900118522258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423001097 and 423001106.

It is not an unprimeable number, because it can be changed into a prime (423001193) 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, 654478 + ... + 655123.

It is an arithmetic number, because the mean of its divisors is an integer number (58932090).

Almost surely, 2^423001123 is an apocalyptic number.

423001123 is a deficient number, since it is larger than the sum of its proper divisors (48455597).

423001123 is a wasteful number, since it uses less digits than its factorization.

423001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309637.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 423001123 is about 20566.9911022493. The cubic root of 423001123 is about 750.6667392509. Note that the first 3 decimals are identical.

Adding to 423001123 its reverse (321100324), we get a palindrome (744101447).

The spelling of 423001123 in words is "four hundred twenty-three million, one thousand, one hundred twenty-three".