11043664423123 has 4 divisors (see below), whose sum is σ = 11047468650768. Its totient is φ = 11039860195480.

The previous prime is 11043664423111. The next prime is 11043664423157. The reversal of 11043664423123 is 32132446634011.

11043664423123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11043664423123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043664423193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902109468 + ... + 1902115273.

It is an arithmetic number, because the mean of its divisors is an integer number (2761867162692).

Almost surely, 2^{11043664423123} is an apocalyptic number.

11043664423123 is a deficient number, since it is larger than the sum of its proper divisors (3804227645).

11043664423123 is an equidigital number, since it uses as much as digits as its factorization.

11043664423123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804227644.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 11043664423123 in words is "eleven trillion, forty-three billion, six hundred sixty-four million, four hundred twenty-three thousand, one hundred twenty-three".