11323331233231 has 4 divisors (see below), whose sum is σ = 11919296035000. Its totient is φ = 10727366431464.

The previous prime is 11323331233223. The next prime is 11323331233301. The reversal of 11323331233231 is 13233213332311.

It is a happy number.

11323331233231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11323331233231 - 2³ = 11323331233223 is a prime.

It is a super-2 number, since 2×11323331233231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323331233193 and 11323331233202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323331233631) 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, 297982400856 + ... + 297982400893.

It is an arithmetic number, because the mean of its divisors is an integer number (2979824008750).

Almost surely, 2^{11323331233231} is an apocalyptic number.

11323331233231 is a deficient number, since it is larger than the sum of its proper divisors (595964801769).

11323331233231 is an equidigital number, since it uses as much as digits as its factorization.

11323331233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595964801768.

The product of its digits is 17496, while the sum is 31.

Adding to 11323331233231 its reverse (13233213332311), we get a palindrome (24556544565542).

The spelling of 11323331233231 in words is "eleven trillion, three hundred twenty-three billion, three hundred thirty-one million, two hundred thirty-three thousand, two hundred thirty-one".