423240122 has 8 divisors (see below), whose sum is σ = 638150196. Its totient is φ = 210523392.

The previous prime is 423240079. The next prime is 423240131. The reversal of 423240122 is 221042324.

It can be written as a sum of positive squares in 2 ways, for example, as 421111441 + 2128681 = 20521^2 + 1459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 423240094 and 423240103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547853 + ... + 548624.

Almost surely, 2^423240122 is an apocalyptic number.

423240122 is a deficient number, since it is larger than the sum of its proper divisors (214910074).

423240122 is a wasteful number, since it uses less digits than its factorization.

423240122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096672.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 423240122 is about 20572.8005385752. The cubic root of 423240122 is about 750.8080901928.

Adding to 423240122 its reverse (221042324), we get a palindrome (644282446).

The spelling of 423240122 in words is "four hundred twenty-three million, two hundred forty thousand, one hundred twenty-two".