228145323 has 24 divisors (see below), whose sum is σ = 354585600. Its totient is φ = 130100880.

The previous prime is 228145259. The next prime is 228145327. The reversal of 228145323 is 323541822.

It is not a de Polignac number, because 228145323 - 2⁶ = 228145259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228145327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86758 + ... + 89348.

It is an arithmetic number, because the mean of its divisors is an integer number (14774400).

Almost surely, 2^228145323 is an apocalyptic number.

228145323 is a deficient number, since it is larger than the sum of its proper divisors (126440277).

228145323 is a wasteful number, since it uses less digits than its factorization.

228145323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207 (or 3200 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 228145323 is about 15104.4802293889. The cubic root of 228145323 is about 611.0412414359.

The spelling of 228145323 in words is "two hundred twenty-eight million, one hundred forty-five thousand, three hundred twenty-three".