11546643423 has 16 divisors (see below), whose sum is σ = 18629879040. Its totient is φ = 6209959296.

The previous prime is 11546643347. The next prime is 11546643443. The reversal of 11546643423 is 32434664511.

It is not a de Polignac number, because 11546643423 - 2¹² = 11546639327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11546643443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16171413 + ... + 16172126.

It is an arithmetic number, because the mean of its divisors is an integer number (1164367440).

Almost surely, 2^11546643423 is an apocalyptic number.

11546643423 is a deficient number, since it is larger than the sum of its proper divisors (7083235617).

11546643423 is a wasteful number, since it uses less digits than its factorization.

11546643423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32343566.

The product of its digits is 207360, while the sum is 39.

The spelling of 11546643423 in words is "eleven billion, five hundred forty-six million, six hundred forty-three thousand, four hundred twenty-three".