229942423 has 2 divisors, whose sum is σ = 229942424. Its totient is φ = 229942422.

The previous prime is 229942403. The next prime is 229942429. The reversal of 229942423 is 324249922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229942423 is a prime.

It is a super-2 number, since 2×229942423² = 105747035790221858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229942429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114971211 + 114971212.

It is an arithmetic number, because the mean of its divisors is an integer number (114971212).

Almost surely, 2^229942423 is an apocalyptic number.

229942423 is a deficient number, since it is larger than the sum of its proper divisors (1).

229942423 is an equidigital number, since it uses as much as digits as its factorization.

229942423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 229942423 is about 15163.8525118124. The cubic root of 229942423 is about 612.6414371691.

The spelling of 229942423 in words is "two hundred twenty-nine million, nine hundred forty-two thousand, four hundred twenty-three".