423440002 has 8 divisors (see below), whose sum is σ = 647144316. Its totient is φ = 207725232.

The previous prime is 423439999. The next prime is 423440027. The reversal of 423440002 is 200044324.

It can be written as a sum of positive squares in 2 ways, for example, as 417344041 + 6095961 = 20429^2 + 2469^2 .

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, 1997253 + ... + 1997464.

Almost surely, 2^423440002 is an apocalyptic number.

423440002 is a deficient number, since it is larger than the sum of its proper divisors (223704314).

423440002 is a wasteful number, since it uses less digits than its factorization.

423440002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994772.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 423440002 is about 20577.6578356236. The cubic root of 423440002 is about 750.9262641679.

Adding to 423440002 its reverse (200044324), we get a palindrome (623484326).

The spelling of 423440002 in words is "four hundred twenty-three million, four hundred forty thousand, two".