11323013220231 has 16 divisors (see below), whose sum is σ = 15402290219520. Its totient is φ = 7397023383360.

The previous prime is 11323013220223. The next prime is 11323013220307. The reversal of 11323013220231 is 13202231032311.

It is not a de Polignac number, because 11323013220231 - 2³ = 11323013220223 is a prime.

It is a super-2 number, since 2×11323013220231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323013220221) 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, 102136015 + ... + 102246816.

It is an arithmetic number, because the mean of its divisors is an integer number (962643138720).

Almost surely, 2^{11323013220231} is an apocalyptic number.

11323013220231 is a deficient number, since it is larger than the sum of its proper divisors (4079276999289).

11323013220231 is a wasteful number, since it uses less digits than its factorization.

11323013220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204383206.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11323013220231 its reverse (13202231032311), we get a palindrome (24525244252542).

The spelling of 11323013220231 in words is "eleven trillion, three hundred twenty-three billion, thirteen million, two hundred twenty thousand, two hundred thirty-one".