423234730 has 32 divisors (see below), whose sum is σ = 808444800. Its totient is φ = 159183552.

The previous prime is 423234727. The next prime is 423234731. The reversal of 423234730 is 37432324.

It is not an unprimeable number, because it can be changed into a prime (423234731) 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 15 ways as a sum of consecutive naturals, for example, 2025 + ... + 29164.

It is an arithmetic number, because the mean of its divisors is an integer number (25263900).

Almost surely, 2^423234730 is an apocalyptic number.

423234730 is a deficient number, since it is larger than the sum of its proper divisors (385210070).

423234730 is a wasteful number, since it uses less digits than its factorization.

423234730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31278.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 423234730 is about 20572.6694913421. The cubic root of 423234730 is about 750.8049017944.

The spelling of 423234730 in words is "four hundred twenty-three million, two hundred thirty-four thousand, seven hundred thirty".