103202543 has 4 divisors (see below), whose sum is σ = 103509120. Its totient is φ = 102895968.

The previous prime is 103202527. The next prime is 103202549. The reversal of 103202543 is 345202301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103202543 - 2⁴ = 103202527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103202549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152783 + ... + 153456.

It is an arithmetic number, because the mean of its divisors is an integer number (25877280).

Almost surely, 2^103202543 is an apocalyptic number.

103202543 is a deficient number, since it is larger than the sum of its proper divisors (306577).

103202543 is an equidigital number, since it uses as much as digits as its factorization.

103202543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306576.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 103202543 is about 10158.8652417482. The cubic root of 103202543 is about 469.0618725039.

Adding to 103202543 its reverse (345202301), we get a palindrome (448404844).

The spelling of 103202543 in words is "one hundred three million, two hundred two thousand, five hundred forty-three".