423420232 has 8 divisors (see below), whose sum is σ = 793912950. Its totient is φ = 211710112.

The previous prime is 423420203. The next prime is 423420251. The reversal of 423420232 is 232024324.

It can be written as a sum of positive squares in only one way, i.e., 296046436 + 127373796 = 17206^2 + 11286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 26463757 + ... + 26463772.

Almost surely, 2^423420232 is an apocalyptic number.

It is an amenable number.

423420232 is a deficient number, since it is larger than the sum of its proper divisors (370492718).

423420232 is a wasteful number, since it uses less digits than its factorization.

423420232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52927535 (or 52927531 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 423420232 is about 20577.1774546462. The cubic root of 423420232 is about 750.9145773148.

Adding to 423420232 its reverse (232024324), we get a palindrome (655444556).

The spelling of 423420232 in words is "four hundred twenty-three million, four hundred twenty thousand, two hundred thirty-two".