228576623 has 8 divisors (see below), whose sum is σ = 251418576. Its totient is φ = 207795720.

The previous prime is 228576587. The next prime is 228576629. The reversal of 228576623 is 326675822.

It is not a de Polignac number, because 228576623 - 2²⁴ = 211799407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228576629) 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, 84536 + ... + 87197.

It is an arithmetic number, because the mean of its divisors is an integer number (31427322).

Almost surely, 2^228576623 is an apocalyptic number.

228576623 is a deficient number, since it is larger than the sum of its proper divisors (22841953).

228576623 is an equidigital number, since it uses as much as digits as its factorization.

228576623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171766 (or 171744 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 228576623 is about 15118.7507089706. The cubic root of 228576623 is about 611.4260490753.

The spelling of 228576623 in words is "two hundred twenty-eight million, five hundred seventy-six thousand, six hundred twenty-three".