423210738 has 16 divisors (see below), whose sum is σ = 850219776. Its totient is φ = 140437200.

The previous prime is 423210707. The next prime is 423210751. The reversal of 423210738 is 837012324.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 156813 + ... + 159488.

It is an arithmetic number, because the mean of its divisors is an integer number (53138736).

Almost surely, 2^423210738 is an apocalyptic number.

423210738 is an abundant number, since it is smaller than the sum of its proper divisors (427009038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423210738 is a wasteful number, since it uses less digits than its factorization.

423210738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316529.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 423210738 is about 20572.0863793637. The cubic root of 423210738 is about 750.7907145122.

The spelling of 423210738 in words is "four hundred twenty-three million, two hundred ten thousand, seven hundred thirty-eight".