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BaseRepresentation
bin11001001111010…
…010111010000010
31002111202222111001
4121033102322002
51331400040002
6110003442214
713331115646
oct3117227202
91074688431
10423440002
111a8025817
12b998636a
136995a71b
1440346c26
1527293a87
hex193d2e82

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, 2423440002 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".