228334423 has 2 divisors, whose sum is σ = 228334424. Its totient is φ = 228334422.

The previous prime is 228334397. The next prime is 228334427. The reversal of 228334423 is 324433822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228334423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228334427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114167211 + 114167212.

It is an arithmetic number, because the mean of its divisors is an integer number (114167212).

Almost surely, 2^228334423 is an apocalyptic number.

228334423 is a deficient number, since it is larger than the sum of its proper divisors (1).

228334423 is an equidigital number, since it uses as much as digits as its factorization.

228334423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 31.

The square root of 228334423 is about 15110.7386649363. The cubic root of 228334423 is about 611.2100168867.

The spelling of 228334423 in words is "two hundred twenty-eight million, three hundred thirty-four thousand, four hundred twenty-three".