11323012111 has 4 divisors (see below), whose sum is σ = 11423215872. Its totient is φ = 11222808352.

The previous prime is 11323012091. The next prime is 11323012121. The reversal of 11323012111 is 11121032311.

It is a happy number.

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 11323012111 - 2⁷ = 11323011983 is a prime.

It is a super-3 number, since 3×11323012111³ (a number of 31 digits) contains 333 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 (11323012121) 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, 50101711 + ... + 50101936.

It is an arithmetic number, because the mean of its divisors is an integer number (2855803968).

Almost surely, 2^11323012111 is an apocalyptic number.

11323012111 is a deficient number, since it is larger than the sum of its proper divisors (100203761).

11323012111 is a wasteful number, since it uses less digits than its factorization.

11323012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100203760.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11323012111 its reverse (11121032311), we get a palindrome (22444044422).

The spelling of 11323012111 in words is "eleven billion, three hundred twenty-three million, twelve thousand, one hundred eleven".