434023403 has 16 divisors (see below), whose sum is σ = 500048640. Its totient is φ = 372564000.

The previous prime is 434023397. The next prime is 434023453. The reversal of 434023403 is 304320434.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434023403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434023453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62978 + ... + 69528.

It is an arithmetic number, because the mean of its divisors is an integer number (31253040).

Almost surely, 2^434023403 is an apocalyptic number.

434023403 is a deficient number, since it is larger than the sum of its proper divisors (66025237).

434023403 is a wasteful number, since it uses less digits than its factorization.

434023403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 434023403 is about 20833.2283384021. The cubic root of 434023403 is about 757.1310364986.

Adding to 434023403 its reverse (304320434), we get a palindrome (738343837).

The spelling of 434023403 in words is "four hundred thirty-four million, twenty-three thousand, four hundred three".