11423424233 has 4 divisors (see below), whose sum is σ = 12302149188. Its totient is φ = 10544699280.

The previous prime is 11423424217. The next prime is 11423424239. The reversal of 11423424233 is 33242432411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1480941289 + 9942482944 = 38483^2 + 99712^2 .

It is a cyclic number.

It is not a de Polignac number, because 11423424233 - 2⁴ = 11423424217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11423424196 and 11423424205.

It is not an unprimeable number, because it can be changed into a prime (11423424239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439362458 + ... + 439362483.

It is an arithmetic number, because the mean of its divisors is an integer number (3075537297).

Almost surely, 2^11423424233 is an apocalyptic number.

11423424233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11423424233 is a deficient number, since it is larger than the sum of its proper divisors (878724955).

11423424233 is an equidigital number, since it uses as much as digits as its factorization.

11423424233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878724954.

The product of its digits is 13824, while the sum is 29.

Adding to 11423424233 its reverse (33242432411), we get a palindrome (44665856644).

The spelling of 11423424233 in words is "eleven billion, four hundred twenty-three million, four hundred twenty-four thousand, two hundred thirty-three".