423204994 has 16 divisors (see below), whose sum is σ = 666397440. Its totient is φ = 201304080.

The previous prime is 423204973. The next prime is 423204997. The reversal of 423204994 is 499402324.

It is not an unprimeable number, because it can be changed into a prime (423204997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54189 + ... + 61504.

It is an arithmetic number, because the mean of its divisors is an integer number (41649840).

Almost surely, 2^423204994 is an apocalyptic number.

423204994 is a deficient number, since it is larger than the sum of its proper divisors (243192446).

423204994 is a wasteful number, since it uses less digits than its factorization.

423204994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115785.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 423204994 is about 20571.9467722430. The cubic root of 423204994 is about 750.7873178109.

The spelling of 423204994 in words is "four hundred twenty-three million, two hundred four thousand, nine hundred ninety-four".