11297844423 has 6 divisors (see below), whose sum is σ = 16319108624. Its totient is φ = 7531896276.

The previous prime is 11297844419. The next prime is 11297844449. The reversal of 11297844423 is 32444879211.

11297844423 is a `hidden beast` number, since 1 + 129 + 7 + 84 + 442 + 3 = 666.

It is not a de Polignac number, because 11297844423 - 2² = 11297844419 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 (11297844023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 627658015 + ... + 627658032.

Almost surely, 2^11297844423 is an apocalyptic number.

11297844423 is a deficient number, since it is larger than the sum of its proper divisors (5021264201).

11297844423 is a wasteful number, since it uses less digits than its factorization.

11297844423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255316053 (or 1255316050 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 11297844423 in words is "eleven billion, two hundred ninety-seven million, eight hundred forty-four thousand, four hundred twenty-three".