228667423 has 2 divisors, whose sum is σ = 228667424. Its totient is φ = 228667422.

The previous prime is 228667393. The next prime is 228667427. The reversal of 228667423 is 324766822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228667423 - 2²⁵ = 195112991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228667427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114333711 + 114333712.

It is an arithmetic number, because the mean of its divisors is an integer number (114333712).

Almost surely, 2^228667423 is an apocalyptic number.

228667423 is a deficient number, since it is larger than the sum of its proper divisors (1).

228667423 is an equidigital number, since it uses as much as digits as its factorization.

228667423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The square root of 228667423 is about 15121.7533044287. The cubic root of 228667423 is about 611.5069995167.

The spelling of 228667423 in words is "two hundred twenty-eight million, six hundred sixty-seven thousand, four hundred twenty-three".