434402204123 has 4 divisors (see below), whose sum is σ = 434414209728. Its totient is φ = 434390198520.

The previous prime is 434402204099. The next prime is 434402204141. The reversal of 434402204123 is 321402204434.

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-434402204123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434402204023) 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, 5948363 + ... + 6020948.

It is an arithmetic number, because the mean of its divisors is an integer number (108603552432).

Almost surely, 2^434402204123 is an apocalyptic number.

434402204123 is a deficient number, since it is larger than the sum of its proper divisors (12005605).

434402204123 is a wasteful number, since it uses less digits than its factorization.

434402204123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12005604.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 434402204123 its reverse (321402204434), we get a palindrome (755804408557).

The spelling of 434402204123 in words is "four hundred thirty-four billion, four hundred two million, two hundred four thousand, one hundred twenty-three".