228463423 has 2 divisors, whose sum is σ = 228463424. Its totient is φ = 228463422.

The previous prime is 228463387. The next prime is 228463441. The reversal of 228463423 is 324364822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228463423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228463223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114231711 + 114231712.

It is an arithmetic number, because the mean of its divisors is an integer number (114231712).

Almost surely, 2^228463423 is an apocalyptic number.

228463423 is a deficient number, since it is larger than the sum of its proper divisors (1).

228463423 is an equidigital number, since it uses as much as digits as its factorization.

228463423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 34.

The square root of 228463423 is about 15115.0065497836. The cubic root of 228463423 is about 611.3250984521.

The spelling of 228463423 in words is "two hundred twenty-eight million, four hundred sixty-three thousand, four hundred twenty-three".