103591243 has 24 divisors (see below), whose sum is σ = 127125504. Its totient is φ = 84042000.

The previous prime is 103591141. The next prime is 103591273. The reversal of 103591243 is 342195301.

It is not a de Polignac number, because 103591243 - 2¹⁷ = 103460171 is a prime.

It is a super-3 number, since 3×103591243³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103591273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70668 + ... + 72118.

It is an arithmetic number, because the mean of its divisors is an integer number (5296896).

Almost surely, 2^103591243 is an apocalyptic number.

103591243 is a deficient number, since it is larger than the sum of its proper divisors (23534261).

103591243 is a wasteful number, since it uses less digits than its factorization.

103591243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 103591243 is about 10177.9783356028. The cubic root of 103591243 is about 469.6500231488.

The spelling of 103591243 in words is "one hundred three million, five hundred ninety-one thousand, two hundred forty-three".