434440231123 has 4 divisors (see below), whose sum is σ = 453328936848. Its totient is φ = 415551525400.

The previous prime is 434440231109. The next prime is 434440231133. The reversal of 434440231123 is 321132044434.

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-434440231123 is a prime.

It is a super-2 number, since 2×434440231123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (434440231133) 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, 9444352828 + ... + 9444352873.

It is an arithmetic number, because the mean of its divisors is an integer number (113332234212).

Almost surely, 2^434440231123 is an apocalyptic number.

434440231123 is a deficient number, since it is larger than the sum of its proper divisors (18888705725).

434440231123 is a wasteful number, since it uses less digits than its factorization.

434440231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888705724.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 434440231123 its reverse (321132044434), we get a palindrome (755572275557).

The spelling of 434440231123 in words is "four hundred thirty-four billion, four hundred forty million, two hundred thirty-one thousand, one hundred twenty-three".