228423103 has 2 divisors, whose sum is σ = 228423104. Its totient is φ = 228423102.

The previous prime is 228423079. The next prime is 228423113. The reversal of 228423103 is 301324822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228423103 - 2⁵ = 228423071 is a prime.

It is a super-2 number, since 2×228423103² = 104354227968297218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228423113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114211551 + 114211552.

It is an arithmetic number, because the mean of its divisors is an integer number (114211552).

Almost surely, 2^228423103 is an apocalyptic number.

228423103 is a deficient number, since it is larger than the sum of its proper divisors (1).

228423103 is an equidigital number, since it uses as much as digits as its factorization.

228423103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 228423103 is about 15113.6727171128. The cubic root of 228423103 is about 611.2891334271.

Adding to 228423103 its reverse (301324822), we get a palindrome (529747925).

The spelling of 228423103 in words is "two hundred twenty-eight million, four hundred twenty-three thousand, one hundred three".