11900223 has 16 divisors (see below), whose sum is σ = 18397440. Its totient is φ = 7588152.

The previous prime is 11900201. The next prime is 11900243. The reversal of 11900223 is 32200911.

It is a happy number.

It is not a de Polignac number, because 11900223 - 2⁸ = 11899967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11900196 and 11900205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11900243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8961 + ... + 10202.

It is an arithmetic number, because the mean of its divisors is an integer number (1149840).

Almost surely, 2^11900223 is an apocalyptic number.

11900223 is a deficient number, since it is larger than the sum of its proper divisors (6497217).

11900223 is a wasteful number, since it uses less digits than its factorization.

11900223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19195 (or 19189 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 11900223 is about 3449.6699842159. The cubic root of 11900223 is about 228.3065474940.

It can be divided in two parts, 119002 and 23, that added together give a square (119025 = 345²).

The spelling of 11900223 in words is "eleven million, nine hundred thousand, two hundred twenty-three".