434043023 has 4 divisors (see below), whose sum is σ = 442232568. Its totient is φ = 425853480.

The previous prime is 434043019. The next prime is 434043037. The reversal of 434043023 is 320340434.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 434043023 - 2² = 434043019 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 434043023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434043013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094693 + ... + 4094798.

It is an arithmetic number, because the mean of its divisors is an integer number (110558142).

Almost surely, 2^434043023 is an apocalyptic number.

434043023 is a deficient number, since it is larger than the sum of its proper divisors (8189545).

434043023 is an equidigital number, since it uses as much as digits as its factorization.

434043023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189544.

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

The square root of 434043023 is about 20833.6992154538. The cubic root of 434043023 is about 757.1424450133.

Adding to 434043023 its reverse (320340434), we get a palindrome (754383457).

The spelling of 434043023 in words is "four hundred thirty-four million, forty-three thousand, twenty-three".