228571423 has 2 divisors, whose sum is σ = 228571424. Its totient is φ = 228571422.

The previous prime is 228571403. The next prime is 228571471. The reversal of 228571423 is 324175822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228571423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228571403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114285711 + 114285712.

It is an arithmetic number, because the mean of its divisors is an integer number (114285712).

Almost surely, 2^228571423 is an apocalyptic number.

228571423 is a deficient number, since it is larger than the sum of its proper divisors (1).

228571423 is an equidigital number, since it uses as much as digits as its factorization.

228571423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 228571423 is about 15118.5787361114. The cubic root of 228571423 is about 611.4214124980.

The spelling of 228571423 in words is "two hundred twenty-eight million, five hundred seventy-one thousand, four hundred twenty-three".