11111432223 has 8 divisors (see below), whose sum is σ = 15215655088. Its totient is φ = 7207415424.

The previous prime is 11111432209. The next prime is 11111432287. The reversal of 11111432223 is 32223411111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11111432223 - 2⁸ = 11111431967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11111432223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111432323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50051386 + ... + 50051607.

It is an arithmetic number, because the mean of its divisors is an integer number (1901956886).

Almost surely, 2^11111432223 is an apocalyptic number.

11111432223 is a deficient number, since it is larger than the sum of its proper divisors (4104222865).

11111432223 is a wasteful number, since it uses less digits than its factorization.

11111432223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100103033.

The product of its digits is 288, while the sum is 21.

Adding to 11111432223 its reverse (32223411111), we get a palindrome (43334843334).

The spelling of 11111432223 in words is "eleven billion, one hundred eleven million, four hundred thirty-two thousand, two hundred twenty-three".