11323122992 has 20 divisors (see below), whose sum is σ = 22646246976. Its totient is φ = 5478930240.

The previous prime is 11323122991. The next prime is 11323123039. The reversal of 11323122992 is 29922132311.

11323122992 is an admirable number.

It is a super-2 number, since 2×11323122992² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11323122991) 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, 11413943 + ... + 11414934.

Almost surely, 2^11323122992 is an apocalyptic number.

It is an amenable number.

11323122992 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323122992 is a wasteful number, since it uses less digits than its factorization.

11323122992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22828916 (or 22828910 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The spelling of 11323122992 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-two thousand, nine hundred ninety-two".