434004023023 has 4 divisors (see below), whose sum is σ = 434410014760. Its totient is φ = 433598031288.

The previous prime is 434004022993. The next prime is 434004023029. The reversal of 434004023023 is 320320400434.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434004023023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434004023029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202994265 + ... + 202996402.

It is an arithmetic number, because the mean of its divisors is an integer number (108602503690).

Almost surely, 2^434004023023 is an apocalyptic number.

434004023023 is a deficient number, since it is larger than the sum of its proper divisors (405991737).

434004023023 is a wasteful number, since it uses less digits than its factorization.

434004023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405991736.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 434004023023 its reverse (320320400434), we get a palindrome (754324423457).

The spelling of 434004023023 in words is "four hundred thirty-four billion, four million, twenty-three thousand, twenty-three".