11323030231111 has 4 divisors (see below), whose sum is σ = 11514945997800. Its totient is φ = 11131114464424.

The previous prime is 11323030231099. The next prime is 11323030231133. The reversal of 11323030231111 is 11113203032311.

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 11323030231111 - 2⁷ = 11323030230983 is a prime.

It is a super-2 number, since 2×11323030231111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323030231181) 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, 95957883256 + ... + 95957883373.

It is an arithmetic number, because the mean of its divisors is an integer number (2878736499450).

Almost surely, 2^{11323030231111} is an apocalyptic number.

11323030231111 is a deficient number, since it is larger than the sum of its proper divisors (191915766689).

11323030231111 is an equidigital number, since it uses as much as digits as its factorization.

11323030231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191915766688.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11323030231111 its reverse (11113203032311), we get a palindrome (22436233263422).

The spelling of 11323030231111 in words is "eleven trillion, three hundred twenty-three billion, thirty million, two hundred thirty-one thousand, one hundred eleven".