423644350 has 24 divisors (see below), whose sum is σ = 799745688. Its totient is φ = 166927200.

The previous prime is 423644327. The next prime is 423644359. The reversal of 423644350 is 53446324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423644359) 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 in 11 ways as a sum of consecutive naturals, for example, 59881 + ... + 66580.

It is an arithmetic number, because the mean of its divisors is an integer number (33322737).

Almost surely, 2^423644350 is an apocalyptic number.

423644350 is a deficient number, since it is larger than the sum of its proper divisors (376101338).

423644350 is a wasteful number, since it uses less digits than its factorization.

423644350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126540 (or 126535 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 423644350 is about 20582.6225248388. The cubic root of 423644350 is about 751.0470412962.

The spelling of 423644350 in words is "four hundred twenty-three million, six hundred forty-four thousand, three hundred fifty".