30423229 has 2 divisors, whose sum is σ = 30423230. Its totient is φ = 30423228.

The previous prime is 30423191. The next prime is 30423247. The reversal of 30423229 is 92232403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27019204 + 3404025 = 5198^2 + 1845^2 .

It is a cyclic number.

It is not a de Polignac number, because 30423229 - 2¹³ = 30415037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30423259) 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, 15211614 + 15211615.

It is an arithmetic number, because the mean of its divisors is an integer number (15211615).

Almost surely, 2^30423229 is an apocalyptic number.

It is an amenable number.

30423229 is a deficient number, since it is larger than the sum of its proper divisors (1).

30423229 is an equidigital number, since it uses as much as digits as its factorization.

30423229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 30423229 is about 5515.7256095640. The cubic root of 30423229 is about 312.1776225339.

The spelling of 30423229 in words is "thirty million, four hundred twenty-three thousand, two hundred twenty-nine".