123543444022134 has 32 divisors (see below), whose sum is σ = 250568074218240. Its totient is φ = 40600955354400.

The previous prime is 123543444022121. The next prime is 123543444022147. The reversal of 123543444022134 is 431220444345321.

It is an interprime number because it is at equal distance from previous prime (123543444022121) and next prime (123543444022147).

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 15 ways as a sum of consecutive naturals, for example, 128504944 + ... + 129462764.

It is an arithmetic number, because the mean of its divisors is an integer number (7830252319320).

Almost surely, 2^{123543444022134} is an apocalyptic number.

123543444022134 is an abundant number, since it is smaller than the sum of its proper divisors (127024630196106).

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

123543444022134 is a wasteful number, since it uses less digits than its factorization.

123543444022134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260676.

The product of its (nonzero) digits is 1105920, while the sum is 42.

Adding to 123543444022134 its reverse (431220444345321), we get a palindrome (554763888367455).

The spelling of 123543444022134 in words is "one hundred twenty-three trillion, five hundred forty-three billion, four hundred forty-four million, twenty-two thousand, one hundred thirty-four".