123412240343430 has 96 divisors (see below), whose sum is σ = 328554482050080. Its totient is φ = 32122993996800.

The previous prime is 123412240343363. The next prime is 123412240343477. The reversal of 123412240343430 is 34343042214321.

123412240343430 is a `hidden beast` number, since 1 + 2 + 3 + 41 + 2 + 240 + 34 + 343 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4945921 + ... + 16470780.

It is an arithmetic number, because the mean of its divisors is an integer number (3422442521355).

Almost surely, 2^{123412240343430} is an apocalyptic number.

123412240343430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123412240343430 is an abundant number, since it is smaller than the sum of its proper divisors (205142241706650).

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

123412240343430 is a wasteful number, since it uses less digits than its factorization.

123412240343430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21418246 (or 21418243 counting only the distinct ones).

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

Adding to 123412240343430 its reverse (34343042214321), we get a palindrome (157755282557751).

The spelling of 123412240343430 in words is "one hundred twenty-three trillion, four hundred twelve billion, two hundred forty million, three hundred forty-three thousand, four hundred thirty".