123340345052544 has 64 divisors (see below), whose sum is σ = 364025323950000. Its totient is φ = 41113448349696.

The previous prime is 123340345052489. The next prime is 123340345052579. The reversal of 123340345052544 is 445250543043321.

123340345052544 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 4 + 0 + 3 + 4 + 50 + 52 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 123340345052544.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17844375169 + ... + 17844382080.

Almost surely, 2^{123340345052544} is an apocalyptic number.

It is an amenable number.

123340345052544 is an abundant number, since it is smaller than the sum of its proper divisors (240684978897456).

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

123340345052544 is an equidigital number, since it uses as much as digits as its factorization.

123340345052544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35688757272 (or 35688757254 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

Adding to 123340345052544 its reverse (445250543043321), we get a palindrome (568590888095865).

The spelling of 123340345052544 in words is "one hundred twenty-three trillion, three hundred forty billion, three hundred forty-five million, fifty-two thousand, five hundred forty-four".