11321200023 has 32 divisors (see below), whose sum is σ = 18008133120. Its totient is φ = 6191199360.

The previous prime is 11321200021. The next prime is 11321200063. The reversal of 11321200023 is 32000212311.

It is not a de Polignac number, because 11321200023 - 2¹ = 11321200021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321199975 and 11321200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72033 + ... + 166826.

It is an arithmetic number, because the mean of its divisors is an integer number (562754160).

Almost surely, 2^11321200023 is an apocalyptic number.

11321200023 is a deficient number, since it is larger than the sum of its proper divisors (6686933097).

11321200023 is a wasteful number, since it uses less digits than its factorization.

11321200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238967.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11321200023 its reverse (32000212311), we get a palindrome (43321412334).

The spelling of 11321200023 in words is "eleven billion, three hundred twenty-one million, two hundred thousand, twenty-three".