11323301231 has 16 divisors (see below), whose sum is σ = 13083703200. Its totient is φ = 9685140480.

The previous prime is 11323301203. The next prime is 11323301243. The reversal of 11323301231 is 13210332311.

It is a cyclic number.

It is not a de Polignac number, because 11323301231 - 2²² = 11319106927 is a prime.

It is a super-2 number, since 2×11323301231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323301201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671795 + ... + 688443.

It is an arithmetic number, because the mean of its divisors is an integer number (817731450).

Almost surely, 2^11323301231 is an apocalyptic number.

11323301231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11323301231 is a deficient number, since it is larger than the sum of its proper divisors (1760401969).

11323301231 is a wasteful number, since it uses less digits than its factorization.

11323301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20314.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11323301231 its reverse (13210332311), we get a palindrome (24533633542).

The spelling of 11323301231 in words is "eleven billion, three hundred twenty-three million, three hundred one thousand, two hundred thirty-one".