123345351014545 has 64 divisors (see below), whose sum is σ = 165655727677440. Its totient is φ = 87415875993600.

The previous prime is 123345351014489. The next prime is 123345351014549. The reversal of 123345351014545 is 545410153543321.

It is not a de Polignac number, because 123345351014545 - 2¹¹ = 123345351012497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123345351014495 and 123345351014504.

It is not an unprimeable number, because it can be changed into a prime (123345351014549) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 122385241 + ... + 123388969.

It is an arithmetic number, because the mean of its divisors is an integer number (2588370744960).

Almost surely, 2^{123345351014545} is an apocalyptic number.

It is an amenable number.

123345351014545 is a deficient number, since it is larger than the sum of its proper divisors (42310376662895).

123345351014545 is a wasteful number, since it uses less digits than its factorization.

123345351014545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004186.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 123345351014545 in words is "one hundred twenty-three trillion, three hundred forty-five billion, three hundred fifty-one million, fourteen thousand, five hundred forty-five".