123533484154646 has 16 divisors (see below), whose sum is σ = 193357196250624. Its totient is φ = 59081097583464.

The previous prime is 123533484154643. The next prime is 123533484154679. The reversal of 123533484154646 is 646451484335321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123533484154643) 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 7 ways as a sum of consecutive naturals, for example, 19211411 + ... + 24822273.

It is an arithmetic number, because the mean of its divisors is an integer number (12084824765664).

Almost surely, 2^{123533484154646} is an apocalyptic number.

123533484154646 is a deficient number, since it is larger than the sum of its proper divisors (69823712095978).

123533484154646 is a wasteful number, since it uses less digits than its factorization.

123533484154646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089515.

The product of its digits is 99532800, while the sum is 59.

The spelling of 123533484154646 in words is "one hundred twenty-three trillion, five hundred thirty-three billion, four hundred eighty-four million, one hundred fifty-four thousand, six hundred forty-six".