12304543091 has 2 divisors, whose sum is σ = 12304543092. Its totient is φ = 12304543090.

The previous prime is 12304543039. The next prime is 12304543129. The reversal of 12304543091 is 19034540321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12304543091 is a prime.

It is not a weakly prime, because it can be changed into another prime (12304542091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152271545 + 6152271546.

It is an arithmetic number, because the mean of its divisors is an integer number (6152271546).

Almost surely, 2^12304543091 is an apocalyptic number.

12304543091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12304543091 is an equidigital number, since it uses as much as digits as its factorization.

12304543091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 12304543091 in words is "twelve billion, three hundred four million, five hundred forty-three thousand, ninety-one".