228828923 has 2 divisors, whose sum is σ = 228828924. Its totient is φ = 228828922.

The previous prime is 228828893. The next prime is 228828961. The reversal of 228828923 is 329828822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228828923 - 2¹⁰ = 228827899 is a prime.

It is not a weakly prime, because it can be changed into another prime (228828973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114414461 + 114414462.

It is an arithmetic number, because the mean of its divisors is an integer number (114414462).

Almost surely, 2^228828923 is an apocalyptic number.

228828923 is a deficient number, since it is larger than the sum of its proper divisors (1).

228828923 is an equidigital number, since it uses as much as digits as its factorization.

228828923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 228828923 is about 15127.0923511427. The cubic root of 228828923 is about 611.6509278157.

The spelling of 228828923 in words is "two hundred twenty-eight million, eight hundred twenty-eight thousand, nine hundred twenty-three".