223838203 has 2 divisors, whose sum is σ = 223838204. Its totient is φ = 223838202.

The previous prime is 223838189. The next prime is 223838273. The reversal of 223838203 is 302838322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223838203 is a prime.

It is a super-2 number, since 2×223838203² = 100207082244538418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223838273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111919101 + 111919102.

It is an arithmetic number, because the mean of its divisors is an integer number (111919102).

Almost surely, 2^223838203 is an apocalyptic number.

223838203 is a deficient number, since it is larger than the sum of its proper divisors (1).

223838203 is an equidigital number, since it uses as much as digits as its factorization.

223838203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 223838203 is about 14961.2233122830. The cubic root of 223838203 is about 607.1715356472.

The spelling of 223838203 in words is "two hundred twenty-three million, eight hundred thirty-eight thousand, two hundred three".