11323200123 has 12 divisors (see below), whose sum is σ = 16358041960. Its totient is φ = 7547734656.

The previous prime is 11323200121. The next prime is 11323200131. The reversal of 11323200123 is 32100232311.

It is not a de Polignac number, because 11323200123 - 2¹ = 11323200121 is a prime.

It is a super-2 number, since 2×11323200123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323200096 and 11323200105.

It is not an unprimeable number, because it can be changed into a prime (11323200121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18553 + ... + 151626.

Almost surely, 2^11323200123 is an apocalyptic number.

11323200123 is a deficient number, since it is larger than the sum of its proper divisors (5034841837).

11323200123 is a wasteful number, since it uses less digits than its factorization.

11323200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177578 (or 177575 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11323200123 its reverse (32100232311), we get a palindrome (43423432434).

The spelling of 11323200123 in words is "eleven billion, three hundred twenty-three million, two hundred thousand, one hundred twenty-three".