11543034523 has 2 divisors, whose sum is σ = 11543034524. Its totient is φ = 11543034522.

The previous prime is 11543034511. The next prime is 11543034533. The reversal of 11543034523 is 32543034511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11543034523 - 2³³ = 2953099931 is a prime.

It is not a weakly prime, because it can be changed into another prime (11543034533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771517261 + 5771517262.

It is an arithmetic number, because the mean of its divisors is an integer number (5771517262).

Almost surely, 2^11543034523 is an apocalyptic number.

11543034523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543034523 is an equidigital number, since it uses as much as digits as its factorization.

11543034523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 11543034523 in words is "eleven billion, five hundred forty-three million, thirty-four thousand, five hundred twenty-three".