10403431543 has 2 divisors, whose sum is σ = 10403431544. Its totient is φ = 10403431542.

The previous prime is 10403431523. The next prime is 10403431601. The reversal of 10403431543 is 34513430401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10403431543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10403431523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201715771 + 5201715772.

It is an arithmetic number, because the mean of its divisors is an integer number (5201715772).

Almost surely, 2^10403431543 is an apocalyptic number.

10403431543 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403431543 is an equidigital number, since it uses as much as digits as its factorization.

10403431543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 10403431543 its reverse (34513430401), we get a palindrome (44916861944).

The spelling of 10403431543 in words is "ten billion, four hundred three million, four hundred thirty-one thousand, five hundred forty-three".