11285398223 has 4 divisors (see below), whose sum is σ = 12311343528. Its totient is φ = 10259452920.

The previous prime is 11285398217. The next prime is 11285398249. The reversal of 11285398223 is 32289358211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32289358211 = 11 ⋅2935396201.

It is a cyclic number.

It is not a de Polignac number, because 11285398223 - 2¹⁰ = 11285397199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11285398273) 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, 512972636 + ... + 512972657.

It is an arithmetic number, because the mean of its divisors is an integer number (3077835882).

Almost surely, 2^11285398223 is an apocalyptic number.

11285398223 is a deficient number, since it is larger than the sum of its proper divisors (1025945305).

11285398223 is a wasteful number, since it uses less digits than its factorization.

11285398223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025945304.

The product of its digits is 207360, while the sum is 44.

The spelling of 11285398223 in words is "eleven billion, two hundred eighty-five million, three hundred ninety-eight thousand, two hundred twenty-three".