434002323 has 4 divisors (see below), whose sum is σ = 578669768. Its totient is φ = 289334880.

The previous prime is 434002321. The next prime is 434002391. The reversal of 434002323 is 323200434.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 434002323 - 2¹ = 434002321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434002323.

It is not an unprimeable number, because it can be changed into a prime (434002321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72333718 + ... + 72333723.

It is an arithmetic number, because the mean of its divisors is an integer number (144667442).

Almost surely, 2^434002323 is an apocalyptic number.

434002323 is a deficient number, since it is larger than the sum of its proper divisors (144667445).

434002323 is a wasteful number, since it uses less digits than its factorization.

434002323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144667444.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 434002323 is about 20832.7224097092. The cubic root of 434002323 is about 757.1187786491.

Adding to 434002323 its reverse (323200434), we get a palindrome (757202757).

The spelling of 434002323 in words is "four hundred thirty-four million, two thousand, three hundred twenty-three".