423389448 has 24 divisors (see below), whose sum is σ = 1146679950. Its totient is φ = 141129792.

The previous prime is 423389443. The next prime is 423389467. The reversal of 423389448 is 844983324.

It can be written as a sum of positive squares in only one way, i.e., 271656324 + 151733124 = 16482^2 + 12318^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (423389441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2940133 + ... + 2940276.

Almost surely, 2^423389448 is an apocalyptic number.

It is an amenable number.

423389448 is an abundant number, since it is smaller than the sum of its proper divisors (723290502).

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

423389448 is a wasteful number, since it uses less digits than its factorization.

423389448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880421 (or 5880414 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 423389448 is about 20576.4294278672. The cubic root of 423389448 is about 750.8963789130.

The spelling of 423389448 in words is "four hundred twenty-three million, three hundred eighty-nine thousand, four hundred forty-eight".