102387843 has 12 divisors (see below), whose sum is σ = 151891168. Its totient is φ = 66413520.

The previous prime is 102387811. The next prime is 102387863. The reversal of 102387843 is 348783201.

It is not a de Polignac number, because 102387843 - 2⁵ = 102387811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102387798 and 102387807.

It is not an unprimeable number, because it can be changed into a prime (102387863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153403 + ... + 154068.

Almost surely, 2^102387843 is an apocalyptic number.

102387843 is a deficient number, since it is larger than the sum of its proper divisors (49503325).

102387843 is a wasteful number, since it uses less digits than its factorization.

102387843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307514 (or 307511 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 102387843 is about 10118.6878101857. The cubic root of 102387843 is about 467.8243231711.

It can be divided in two parts, 10238 and 7843, that added together give a palindrome (18081).

The spelling of 102387843 in words is "one hundred two million, three hundred eighty-seven thousand, eight hundred forty-three".