423320242 has 8 divisors (see below), whose sum is σ = 635222556. Its totient is φ = 211579392.

The previous prime is 423320239. The next prime is 423320299. The reversal of 423320242 is 242023324.

It can be written as a sum of positive squares in 2 ways, for example, as 422261401 + 1058841 = 20549^2 + 1029^2 .

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

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, 33583 + ... + 44434.

Almost surely, 2^423320242 is an apocalyptic number.

423320242 is a deficient number, since it is larger than the sum of its proper divisors (211902314).

423320242 is a wasteful number, since it uses less digits than its factorization.

423320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80732.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 423320242 is about 20574.7476776752. The cubic root of 423320242 is about 750.8554635755.

Adding to 423320242 its reverse (242023324), we get a palindrome (665343566).

The spelling of 423320242 in words is "four hundred twenty-three million, three hundred twenty thousand, two hundred forty-two".