230644429 has 4 divisors (see below), whose sum is σ = 231192700. Its totient is φ = 230096160.

The previous prime is 230644411. The next prime is 230644459. The reversal of 230644429 is 924446032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45630025 + 185014404 = 6755^2 + 13602^2 .

It is a cyclic number.

It is not a de Polignac number, because 230644429 - 2⁵ = 230644397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230644394 and 230644403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230644409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273504 + ... + 274345.

It is an arithmetic number, because the mean of its divisors is an integer number (57798175).

Almost surely, 2^230644429 is an apocalyptic number.

It is an amenable number.

230644429 is a deficient number, since it is larger than the sum of its proper divisors (548271).

230644429 is an equidigital number, since it uses as much as digits as its factorization.

230644429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548270.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 230644429 is about 15186.9822216265. The cubic root of 230644429 is about 613.2642612499.

The spelling of 230644429 in words is "two hundred thirty million, six hundred forty-four thousand, four hundred twenty-nine".