123936644306 has 32 divisors (see below), whose sum is σ = 194287705920. Its totient is φ = 59248977984.

The previous prime is 123936644267. The next prime is 123936644309. The reversal of 123936644306 is 603446639321.

It is not an unprimeable number, because it can be changed into a prime (123936644309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698396 + ... + 857688.

It is an arithmetic number, because the mean of its divisors is an integer number (6071490810).

Almost surely, 2^123936644306 is an apocalyptic number.

123936644306 is a deficient number, since it is larger than the sum of its proper divisors (70351061614).

123936644306 is a wasteful number, since it uses less digits than its factorization.

123936644306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159530.

The product of its (nonzero) digits is 1679616, while the sum is 47.

The spelling of 123936644306 in words is "one hundred twenty-three billion, nine hundred thirty-six million, six hundred forty-four thousand, three hundred six".