228023843 has 2 divisors, whose sum is σ = 228023844. Its totient is φ = 228023842.

The previous prime is 228023791. The next prime is 228023869. The reversal of 228023843 is 348320822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228023843 - 2⁶ = 228023779 is a prime.

It is not a weakly prime, because it can be changed into another prime (228023443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114011921 + 114011922.

It is an arithmetic number, because the mean of its divisors is an integer number (114011922).

Almost surely, 2^228023843 is an apocalyptic number.

228023843 is a deficient number, since it is larger than the sum of its proper divisors (1).

228023843 is an equidigital number, since it uses as much as digits as its factorization.

228023843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 228023843 is about 15100.4583705264. The cubic root of 228023843 is about 610.9327689532.

The spelling of 228023843 in words is "two hundred twenty-eight million, twenty-three thousand, eight hundred forty-three".