11203523323 has 4 divisors (see below), whose sum is σ = 11208403080. Its totient is φ = 11198643568.

The previous prime is 11203523269. The next prime is 11203523341. The reversal of 11203523323 is 32332530211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32332530211 = 2731 ⋅11839081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11203523323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203223323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436433 + ... + 2441026.

It is an arithmetic number, because the mean of its divisors is an integer number (2802100770).

Almost surely, 2^11203523323 is an apocalyptic number.

11203523323 is a deficient number, since it is larger than the sum of its proper divisors (4879757).

11203523323 is an equidigital number, since it uses as much as digits as its factorization.

11203523323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879756.

The product of its (nonzero) digits is 3240, while the sum is 25.

The spelling of 11203523323 in words is "eleven billion, two hundred three million, five hundred twenty-three thousand, three hundred twenty-three".