423400304 has 20 divisors (see below), whose sum is σ = 823538064. Its totient is φ = 210874368.

The previous prime is 423400301. The next prime is 423400309. The reversal of 423400304 is 403004324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423400301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47372 + ... + 55595.

Almost surely, 2^423400304 is an apocalyptic number.

It is an amenable number.

423400304 is a deficient number, since it is larger than the sum of its proper divisors (400137760).

423400304 is a wasteful number, since it uses less digits than its factorization.

423400304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103232 (or 103226 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 423400304 is about 20576.6932231591. The cubic root of 423400304 is about 750.9027966933.

Adding to 423400304 its reverse (403004324), we get a palindrome (826404628).

The spelling of 423400304 in words is "four hundred twenty-three million, four hundred thousand, three hundred four".