11405223433 has 4 divisors (see below), whose sum is σ = 11420211348. Its totient is φ = 11390235520.

The previous prime is 11405223419. The next prime is 11405223523. The reversal of 11405223433 is 33432250411.

It is a happy number.

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 528402169 + 10876821264 = 22987^2 + 104292^2 .

It is a cyclic number.

It is not a de Polignac number, because 11405223433 - 2²¹ = 11403126281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11405223133) 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, 7492816 + ... + 7494337.

It is an arithmetic number, because the mean of its divisors is an integer number (2855052837).

Almost surely, 2^11405223433 is an apocalyptic number.

It is an amenable number.

11405223433 is a deficient number, since it is larger than the sum of its proper divisors (14987915).

11405223433 is an equidigital number, since it uses as much as digits as its factorization.

11405223433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14987914.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 11405223433 its reverse (33432250411), we get a palindrome (44837473844).

The spelling of 11405223433 in words is "eleven billion, four hundred five million, two hundred twenty-three thousand, four hundred thirty-three".