423204042 has 16 divisors (see below), whose sum is σ = 847809792. Its totient is φ = 140834400.

The previous prime is 423204029. The next prime is 423204059. The reversal of 423204042 is 240402324.

It is a super-2 number, since 2×423204042² = 358203322330275528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54459 + ... + 61742.

It is an arithmetic number, because the mean of its divisors is an integer number (52988112).

Almost surely, 2^423204042 is an apocalyptic number.

423204042 is an abundant number, since it is smaller than the sum of its proper divisors (424605750).

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

423204042 is a wasteful number, since it uses less digits than its factorization.

423204042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116813.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 423204042 is about 20571.9236339240. The cubic root of 423204042 is about 750.7867548449.

Adding to 423204042 its reverse (240402324), we get a palindrome (663606366).

The spelling of 423204042 in words is "four hundred twenty-three million, two hundred four thousand, forty-two".