103243345686 has 160 divisors (see below), whose sum is σ = 261023228928. Its totient is φ = 30282310080.

The previous prime is 103243345669. The next prime is 103243345693. The reversal of 103243345686 is 686543342301.

103243345686 is a `hidden beast` number, since 1 + 0 + 3 + 243 + 345 + 68 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4362361 + ... + 4385963.

Almost surely, 2^103243345686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103243345686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130511614464).

103243345686 is an abundant number, since it is smaller than the sum of its proper divisors (157779883242).

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

103243345686 is a wasteful number, since it uses less digits than its factorization.

103243345686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23728 (or 23719 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

Adding to 103243345686 its reverse (686543342301), we get a palindrome (789786687987).

The spelling of 103243345686 in words is "one hundred three billion, two hundred forty-three million, three hundred forty-five thousand, six hundred eighty-six".