223780003 has 4 divisors (see below), whose sum is σ = 224265888. Its totient is φ = 223294120.

The previous prime is 223779989. The next prime is 223780013. The reversal of 223780003 is 300087322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223780003 - 2¹³ = 223771811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223780003.

It is not an unprimeable number, because it can be changed into a prime (223780013) 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, 242251 + ... + 243172.

It is an arithmetic number, because the mean of its divisors is an integer number (56066472).

Almost surely, 2^223780003 is an apocalyptic number.

223780003 is a deficient number, since it is larger than the sum of its proper divisors (485885).

223780003 is an equidigital number, since it uses as much as digits as its factorization.

223780003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485884.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 223780003 is about 14959.2781577187. The cubic root of 223780003 is about 607.1189076834.

The spelling of 223780003 in words is "two hundred twenty-three million, seven hundred eighty thousand, three".