11203522423 has 4 divisors (see below), whose sum is σ = 11230261560. Its totient is φ = 11176783288.

The previous prime is 11203522417. The next prime is 11203522439. The reversal of 11203522423 is 32422530211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32422530211 = 141653 ⋅228887.

It is a cyclic number.

It is not a de Polignac number, because 11203522423 - 2³³ = 2613587831 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 (11203529423) 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, 13368940 + ... + 13369777.

It is an arithmetic number, because the mean of its divisors is an integer number (2807565390).

Almost surely, 2^11203522423 is an apocalyptic number.

11203522423 is a deficient number, since it is larger than the sum of its proper divisors (26739137).

11203522423 is an equidigital number, since it uses as much as digits as its factorization.

11203522423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26739136.

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 11203522423 in words is "eleven billion, two hundred three million, five hundred twenty-two thousand, four hundred twenty-three".