123730340699 has 4 divisors (see below), whose sum is σ = 141406103664. Its totient is φ = 106054577736.

The previous prime is 123730340693. The next prime is 123730340771. The reversal of 123730340699 is 996043037321.

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 123730340699 - 2⁸ = 123730340443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123730340693) 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, 8837881472 + ... + 8837881485.

It is an arithmetic number, because the mean of its divisors is an integer number (35351525916).

Almost surely, 2^123730340699 is an apocalyptic number.

123730340699 is a deficient number, since it is larger than the sum of its proper divisors (17675762965).

123730340699 is an equidigital number, since it uses as much as digits as its factorization.

123730340699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17675762964.

The product of its (nonzero) digits is 734832, while the sum is 47.

The spelling of 123730340699 in words is "one hundred twenty-three billion, seven hundred thirty million, three hundred forty thousand, six hundred ninety-nine".