123797889599 has 4 divisors (see below), whose sum is σ = 123898457760. Its totient is φ = 123697321440.

The previous prime is 123797889577. The next prime is 123797889629. The reversal of 123797889599 is 995988797321.

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 123797889599 - 2⁸ = 123797889343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123797889499) 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 3 ways as a sum of consecutive naturals, for example, 50282234 + ... + 50284695.

It is an arithmetic number, because the mean of its divisors is an integer number (30974614440).

Almost surely, 2^123797889599 is an apocalyptic number.

123797889599 is a deficient number, since it is larger than the sum of its proper divisors (100568161).

123797889599 is a wasteful number, since it uses less digits than its factorization.

123797889599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100568160.

The product of its digits is 617258880, while the sum is 77.

The spelling of 123797889599 in words is "one hundred twenty-three billion, seven hundred ninety-seven million, eight hundred eighty-nine thousand, five hundred ninety-nine".