229566023 has 2 divisors, whose sum is σ = 229566024. Its totient is φ = 229566022.

The previous prime is 229566017. The next prime is 229566047. The reversal of 229566023 is 320665922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229566023 - 2²⁰ = 228517447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229566083) 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, 114783011 + 114783012.

It is an arithmetic number, because the mean of its divisors is an integer number (114783012).

Almost surely, 2^229566023 is an apocalyptic number.

229566023 is a deficient number, since it is larger than the sum of its proper divisors (1).

229566023 is an equidigital number, since it uses as much as digits as its factorization.

229566023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 229566023 is about 15151.4363345526. The cubic root of 229566023 is about 612.3069705767.

The spelling of 229566023 in words is "two hundred twenty-nine million, five hundred sixty-six thousand, twenty-three".