123243424544234 has 16 divisors (see below), whose sum is σ = 191321279575200. Its totient is φ = 59471475416304.

The previous prime is 123243424544221. The next prime is 123243424544269. The reversal of 123243424544234 is 432445424342321.

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 7 ways as a sum of consecutive naturals, for example, 452545304 + ... + 452817555.

It is an arithmetic number, because the mean of its divisors is an integer number (11957579973450).

Almost surely, 2^{123243424544234} is an apocalyptic number.

123243424544234 is a deficient number, since it is larger than the sum of its proper divisors (68077855030966).

123243424544234 is a wasteful number, since it uses less digits than its factorization.

123243424544234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905365237.

The product of its digits is 8847360, while the sum is 47.

Adding to 123243424544234 its reverse (432445424342321), we get a palindrome (555688848886555).

The spelling of 123243424544234 in words is "one hundred twenty-three trillion, two hundred forty-three billion, four hundred twenty-four million, five hundred forty-four thousand, two hundred thirty-four".