423789960 has 64 divisors (see below), whose sum is σ = 1386953280. Its totient is φ = 102736640.

The previous prime is 423789959. The next prime is 423790013. The reversal of 423789960 is 69987324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159207 + ... + 161846.

It is an arithmetic number, because the mean of its divisors is an integer number (21671145).

Almost surely, 2^423789960 is an apocalyptic number.

423789960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423789960 is an abundant number, since it is smaller than the sum of its proper divisors (963163320).

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

423789960 is a wasteful number, since it uses less digits than its factorization.

423789960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321078 (or 321074 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 423789960 is about 20586.1594281206. The cubic root of 423789960 is about 751.1330784268.

The spelling of 423789960 in words is "four hundred twenty-three million, seven hundred eighty-nine thousand, nine hundred sixty".