11223140023 has 4 divisors (see below), whose sum is σ = 11224173240. Its totient is φ = 11222106808.

The previous prime is 11223140017. The next prime is 11223140059. The reversal of 11223140023 is 32004132211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11223140023 - 2⁹ = 11223139511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223140063) 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, 500140 + ... + 522097.

It is an arithmetic number, because the mean of its divisors is an integer number (2806043310).

Almost surely, 2^11223140023 is an apocalyptic number.

11223140023 is a deficient number, since it is larger than the sum of its proper divisors (1033217).

11223140023 is a wasteful number, since it uses less digits than its factorization.

11223140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033216.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11223140023 its reverse (32004132211), we get a palindrome (43227272234).

The spelling of 11223140023 in words is "eleven billion, two hundred twenty-three million, one hundred forty thousand, twenty-three".