123433828217 has 8 divisors (see below), whose sum is σ = 141175672512. Its totient is φ = 105719094000.

The previous prime is 123433828081. The next prime is 123433828229. The reversal of 123433828217 is 712828334321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123433828217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123433828237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6767759 + ... + 6785972.

It is an arithmetic number, because the mean of its divisors is an integer number (17646959064).

Almost surely, 2^123433828217 is an apocalyptic number.

It is an amenable number.

123433828217 is a deficient number, since it is larger than the sum of its proper divisors (17741844295).

123433828217 is a wasteful number, since it uses less digits than its factorization.

123433828217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555039.

The product of its digits is 387072, while the sum is 44.

The spelling of 123433828217 in words is "one hundred twenty-three billion, four hundred thirty-three million, eight hundred twenty-eight thousand, two hundred seventeen".