103403543 has 2 divisors, whose sum is σ = 103403544. Its totient is φ = 103403542.

The previous prime is 103403533. The next prime is 103403563. The reversal of 103403543 is 345304301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103403543 - 2²⁶ = 36294679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103403533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51701771 + 51701772.

It is an arithmetic number, because the mean of its divisors is an integer number (51701772).

Almost surely, 2^103403543 is an apocalyptic number.

103403543 is a deficient number, since it is larger than the sum of its proper divisors (1).

103403543 is an equidigital number, since it uses as much as digits as its factorization.

103403543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 103403543 is about 10168.7532667481. The cubic root of 103403543 is about 469.3661941205.

Adding to 103403543 its reverse (345304301), we get a palindrome (448707844).

The spelling of 103403543 in words is "one hundred three million, four hundred three thousand, five hundred forty-three".