228503323 has 2 divisors, whose sum is σ = 228503324. Its totient is φ = 228503322.

The previous prime is 228503293. The next prime is 228503339. The reversal of 228503323 is 323305822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228503323 - 2²¹ = 226406171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228503291 and 228503300.

It is not a weakly prime, because it can be changed into another prime (228503393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114251661 + 114251662.

It is an arithmetic number, because the mean of its divisors is an integer number (114251662).

Almost surely, 2^228503323 is an apocalyptic number.

228503323 is a deficient number, since it is larger than the sum of its proper divisors (1).

228503323 is an equidigital number, since it uses as much as digits as its factorization.

228503323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 228503323 is about 15116.3263725020. The cubic root of 228503323 is about 611.3606846760.

It can be divided in two parts, 228503 and 323, that added together give a triangular number (228826 = T₆₇₆).

The spelling of 228503323 in words is "two hundred twenty-eight million, five hundred three thousand, three hundred twenty-three".