423123422 has 16 divisors (see below), whose sum is σ = 651836160. Its totient is φ = 205895448.

The previous prime is 423123419. The next prime is 423123439. The reversal of 423123422 is 224321324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4253 + ... + 29399.

It is an arithmetic number, because the mean of its divisors is an integer number (40739760).

Almost surely, 2^423123422 is an apocalyptic number.

423123422 is a deficient number, since it is larger than the sum of its proper divisors (228712738).

423123422 is a wasteful number, since it uses less digits than its factorization.

423123422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25375.

The product of its digits is 2304, while the sum is 23.

The square root of 423123422 is about 20569.9640738626. The cubic root of 423123422 is about 750.7390770772.

Adding to 423123422 its reverse (224321324), we get a palindrome (647444746).

The spelling of 423123422 in words is "four hundred twenty-three million, one hundred twenty-three thousand, four hundred twenty-two".