423312402 has 16 divisors (see below), whose sum is σ = 850881600. Its totient is φ = 140394672.

The previous prime is 423312397. The next prime is 423312451. The reversal of 423312402 is 204213324.

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, 176073 + ... + 178460.

It is an arithmetic number, because the mean of its divisors is an integer number (53180100).

Almost surely, 2^423312402 is an apocalyptic number.

423312402 is an abundant number, since it is smaller than the sum of its proper divisors (427569198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423312402 is a wasteful number, since it uses less digits than its factorization.

423312402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354737.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423312402 is about 20574.5571519778. The cubic root of 423312402 is about 750.8508282013.

Adding to 423312402 its reverse (204213324), we get a palindrome (627525726).

The spelling of 423312402 in words is "four hundred twenty-three million, three hundred twelve thousand, four hundred two".