123700384641 has 16 divisors (see below), whose sum is σ = 167295832704. Its totient is φ = 81287316864.

The previous prime is 123700384631. The next prime is 123700384649. The reversal of 123700384641 is 146483007321.

It is a de Polignac number, because none of the positive numbers 2^k-123700384641 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123700384641.

It is not an unprimeable number, because it can be changed into a prime (123700384649) 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 15 ways as a sum of consecutive naturals, for example, 185980 + ... + 531026.

It is an arithmetic number, because the mean of its divisors is an integer number (10455989544).

Almost surely, 2^123700384641 is an apocalyptic number.

It is an amenable number.

123700384641 is a deficient number, since it is larger than the sum of its proper divisors (43595448063).

123700384641 is a wasteful number, since it uses less digits than its factorization.

123700384641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346760.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 123700384641 in words is "one hundred twenty-three billion, seven hundred million, three hundred eighty-four thousand, six hundred forty-one".