123433854159347 has 4 divisors (see below), whose sum is σ = 123437548379280. Its totient is φ = 123430159939416.

The previous prime is 123433854159311. The next prime is 123433854159389. The reversal of 123433854159347 is 743951458334321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123433854159347 - 2¹² = 123433854155251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123433854159347.

It is not an unprimeable number, because it can be changed into a prime (123433854159307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1847059847 + ... + 1847126672.

It is an arithmetic number, because the mean of its divisors is an integer number (30859387094820).

Almost surely, 2^{123433854159347} is an apocalyptic number.

123433854159347 is a deficient number, since it is larger than the sum of its proper divisors (3694219933).

123433854159347 is an equidigital number, since it uses as much as digits as its factorization.

123433854159347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694219932.

The product of its digits is 130636800, while the sum is 62.

The spelling of 123433854159347 in words is "one hundred twenty-three trillion, four hundred thirty-three billion, eight hundred fifty-four million, one hundred fifty-nine thousand, three hundred forty-seven".