123430321034442 has 40 divisors (see below), whose sum is σ = 282459930895296. Its totient is φ = 40268047994568.

The previous prime is 123430321034413. The next prime is 123430321034599. The reversal of 123430321034442 is 244430123034321.

123430321034442 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 303 + 2 + 1 + 0 + 344 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 123430321034397 and 123430321034406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8105477088 + ... + 8105492315.

Almost surely, 2^{123430321034442} is an apocalyptic number.

123430321034442 is an abundant number, since it is smaller than the sum of its proper divisors (159029609860854).

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

123430321034442 is a wasteful number, since it uses less digits than its factorization.

123430321034442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16210969464 (or 16210969455 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 123430321034442 its reverse (244430123034321), we get a palindrome (367860444068763).

The spelling of 123430321034442 in words is "one hundred twenty-three trillion, four hundred thirty billion, three hundred twenty-one million, thirty-four thousand, four hundred forty-two".