123544416433 has 8 divisors (see below), whose sum is σ = 130247766720. Its totient is φ = 116861167440.

The previous prime is 123544416379. The next prime is 123544416473. The reversal of 123544416433 is 334614445321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123544416433 - 2²¹ = 123542319281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123544416473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5012698 + ... + 5037283.

It is an arithmetic number, because the mean of its divisors is an integer number (16280970840).

Almost surely, 2^123544416433 is an apocalyptic number.

It is an amenable number.

123544416433 is a deficient number, since it is larger than the sum of its proper divisors (6703350287).

123544416433 is a wasteful number, since it uses less digits than its factorization.

123544416433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050647.

The product of its digits is 414720, while the sum is 40.

The spelling of 123544416433 in words is "one hundred twenty-three billion, five hundred forty-four million, four hundred sixteen thousand, four hundred thirty-three".