99713231543 has 2 divisors, whose sum is σ = 99713231544. Its totient is φ = 99713231542.

The previous prime is 99713231509. The next prime is 99713231549. The reversal of 99713231543 is 34513231799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99713231543 - 2¹⁴ = 99713215159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99713231549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49856615771 + 49856615772.

It is an arithmetic number, because the mean of its divisors is an integer number (49856615772).

Almost surely, 2^99713231543 is an apocalyptic number.

99713231543 is a deficient number, since it is larger than the sum of its proper divisors (1).

99713231543 is an equidigital number, since it uses as much as digits as its factorization.

99713231543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 47.

The spelling of 99713231543 in words is "ninety-nine billion, seven hundred thirteen million, two hundred thirty-one thousand, five hundred forty-three".