11531533323 has 8 divisors (see below), whose sum is σ = 15377743936. Its totient is φ = 7686505800.

The previous prime is 11531533301. The next prime is 11531533327. The reversal of 11531533323 is 32333513511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11531533323 - 2⁶ = 11531533259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11531533327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272773 + ... + 312198.

It is an arithmetic number, because the mean of its divisors is an integer number (1922217992).

Almost surely, 2^11531533323 is an apocalyptic number.

11531533323 is a deficient number, since it is larger than the sum of its proper divisors (3846210613).

11531533323 is an equidigital number, since it uses as much as digits as its factorization.

11531533323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591545.

The product of its digits is 12150, while the sum is 30.

The spelling of 11531533323 in words is "eleven billion, five hundred thirty-one million, five hundred thirty-three thousand, three hundred twenty-three".