434140011023 has 4 divisors (see below), whose sum is σ = 434167551048. Its totient is φ = 434112471000.

The previous prime is 434140010999. The next prime is 434140011059. The reversal of 434140011023 is 320110041434.

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-434140011023 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 434140011023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434140011623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13746353 + ... + 13777898.

It is an arithmetic number, because the mean of its divisors is an integer number (108541887762).

Almost surely, 2^434140011023 is an apocalyptic number.

434140011023 is a deficient number, since it is larger than the sum of its proper divisors (27540025).

434140011023 is a wasteful number, since it uses less digits than its factorization.

434140011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27540024.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 434140011023 its reverse (320110041434), we get a palindrome (754250052457).

The spelling of 434140011023 in words is "four hundred thirty-four billion, one hundred forty million, eleven thousand, twenty-three".