434323143123 has 16 divisors (see below), whose sum is σ = 579935010816. Its totient is φ = 289130313600.

The previous prime is 434323143061. The next prime is 434323143127. The reversal of 434323143123 is 321341323434.

It is a happy number.

It is not a de Polignac number, because 434323143123 - 2¹² = 434323139027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434323143127) 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 15 ways as a sum of consecutive naturals, for example, 6100590 + ... + 6171372.

It is an arithmetic number, because the mean of its divisors is an integer number (36245938176).

Almost surely, 2^434323143123 is an apocalyptic number.

434323143123 is a deficient number, since it is larger than the sum of its proper divisors (145611867693).

434323143123 is a wasteful number, since it uses less digits than its factorization.

434323143123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73714.

The product of its digits is 62208, while the sum is 33.

Adding to 434323143123 its reverse (321341323434), we get a palindrome (755664466557).

The spelling of 434323143123 in words is "four hundred thirty-four billion, three hundred twenty-three million, one hundred forty-three thousand, one hundred twenty-three".