123343312434 has 64 divisors (see below), whose sum is σ = 267790320000. Its totient is φ = 37745256960.

The previous prime is 123343312427. The next prime is 123343312531. The reversal of 123343312434 is 434213343321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123343312395 and 123343312404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607872 + ... + 784980.

It is an arithmetic number, because the mean of its divisors is an integer number (4184223750).

Almost surely, 2^123343312434 is an apocalyptic number.

123343312434 is an abundant number, since it is smaller than the sum of its proper divisors (144447007566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123343312434 is a wasteful number, since it uses less digits than its factorization.

123343312434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177323.

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

Adding to 123343312434 its reverse (434213343321), we get a palindrome (557556655755).

The spelling of 123343312434 in words is "one hundred twenty-three billion, three hundred forty-three million, three hundred twelve thousand, four hundred thirty-four".