228776523 has 8 divisors (see below), whose sum is σ = 307735248. Its totient is φ = 151167744.

The previous prime is 228776521. The next prime is 228776543. The reversal of 228776523 is 325677822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228776523 - 2¹ = 228776521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228776521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337090 + ... + 337767.

It is an arithmetic number, because the mean of its divisors is an integer number (38466906).

Almost surely, 2^228776523 is an apocalyptic number.

228776523 is a deficient number, since it is larger than the sum of its proper divisors (78958725).

228776523 is a wasteful number, since it uses less digits than its factorization.

228776523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674973.

The product of its digits is 282240, while the sum is 42.

The square root of 228776523 is about 15125.3602601723. The cubic root of 228776523 is about 611.6042365220.

The spelling of 228776523 in words is "two hundred twenty-eight million, seven hundred seventy-six thousand, five hundred twenty-three".