11200023 has 6 divisors (see below), whose sum is σ = 16177824. Its totient is φ = 7466676.

The previous prime is 11200019. The next prime is 11200031. The reversal of 11200023 is 32000211.

It is a happy number.

It is not a de Polignac number, because 11200023 - 2² = 11200019 is a prime.

It is a super-3 number, since 3×11200023³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1244447 = 11200023 / (1 + 1 + 2 + 0 + 0 + 0 + 2 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 11199978 and 11200014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622215 + ... + 622232.

It is an arithmetic number, because the mean of its divisors is an integer number (2696304).

Almost surely, 2^11200023 is an apocalyptic number.

11200023 is a deficient number, since it is larger than the sum of its proper divisors (4977801).

11200023 is a wasteful number, since it uses less digits than its factorization.

11200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244453 (or 1244450 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 11200023 is about 3346.6435424168. The cubic root of 11200023 is about 223.7379415700.

Adding to 11200023 its reverse (32000211), we get a palindrome (43200234).

The spelling of 11200023 in words is "eleven million, two hundred thousand, twenty-three".