11423343187 has 2 divisors, whose sum is σ = 11423343188. Its totient is φ = 11423343186.

The previous prime is 11423343131. The next prime is 11423343193. The reversal of 11423343187 is 78134332411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11423343187 - 2¹⁵ = 11423310419 is a prime.

It is not a weakly prime, because it can be changed into another prime (11423343487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711671593 + 5711671594.

It is an arithmetic number, because the mean of its divisors is an integer number (5711671594).

Almost surely, 2^11423343187 is an apocalyptic number.

11423343187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423343187 is an equidigital number, since it uses as much as digits as its factorization.

11423343187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

Adding to 11423343187 its reverse (78134332411), we get a palindrome (89557675598).

The spelling of 11423343187 in words is "eleven billion, four hundred twenty-three million, three hundred forty-three thousand, one hundred eighty-seven".