123388845846 has 32 divisors (see below), whose sum is σ = 283242106368. Its totient is φ = 35102648640.

The previous prime is 123388845809. The next prime is 123388845847. The reversal of 123388845846 is 648548883321.

It is a self number, because there is not a number n which added to its sum of digits gives 123388845846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123388845847) 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, 6294570 + ... + 6314141.

It is an arithmetic number, because the mean of its divisors is an integer number (8851315824).

Almost surely, 2^123388845846 is an apocalyptic number.

123388845846 is an abundant number, since it is smaller than the sum of its proper divisors (159853260522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123388845846 is a wasteful number, since it uses less digits than its factorization.

123388845846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12608956.

The product of its digits is 35389440, while the sum is 60.

The spelling of 123388845846 in words is "one hundred twenty-three billion, three hundred eighty-eight million, eight hundred forty-five thousand, eight hundred forty-six".