123340112463645 has 48 divisors (see below), whose sum is σ = 266542788500352. Its totient is φ = 51258228554880.

The previous prime is 123340112463509. The next prime is 123340112463721. The reversal of 123340112463645 is 546364211043321.

123340112463645 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 4 + 0 + 1 + 1 + 2 + 4 + 636 + 4 + 5 = 666.

It is not a de Polignac number, because 123340112463645 - 2¹¹ = 123340112461597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 123340112463645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17797992562 + ... + 17797999491.

It is an arithmetic number, because the mean of its divisors is an integer number (5552974760424).

Almost surely, 2^{123340112463645} is an apocalyptic number.

123340112463645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123340112463645 is an abundant number, since it is smaller than the sum of its proper divisors (143202676036707).

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

123340112463645 is a wasteful number, since it uses less digits than its factorization.

123340112463645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35595992082 (or 35595992079 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 123340112463645 in words is "one hundred twenty-three trillion, three hundred forty billion, one hundred twelve million, four hundred sixty-three thousand, six hundred forty-five".