232420305 has 16 divisors (see below), whose sum is σ = 400478400. Its totient is φ = 114422208.

The previous prime is 232420303. The next prime is 232420333. The reversal of 232420305 is 503024232.

It is not a de Polignac number, because 232420305 - 2¹ = 232420303 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232420303) 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 in 15 ways as a sum of consecutive naturals, for example, 595755 + ... + 596144.

It is an arithmetic number, because the mean of its divisors is an integer number (25029900).

Almost surely, 2^232420305 is an apocalyptic number.

It is an amenable number.

232420305 is a deficient number, since it is larger than the sum of its proper divisors (168058095).

232420305 is a wasteful number, since it uses less digits than its factorization.

232420305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191920.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 232420305 is about 15245.3371559963. The cubic root of 232420305 is about 614.8342074080.

Adding to 232420305 its reverse (503024232), we get a palindrome (735444537).

The spelling of 232420305 in words is "two hundred thirty-two million, four hundred twenty thousand, three hundred five".