423268478 has 8 divisors (see below), whose sum is σ = 645663960. Its totient is φ = 208047160.

The previous prime is 423268459. The next prime is 423268481. The reversal of 423268478 is 874862324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793393 + ... + 1793628.

It is an arithmetic number, because the mean of its divisors is an integer number (80707995).

Almost surely, 2^423268478 is an apocalyptic number.

423268478 is a deficient number, since it is larger than the sum of its proper divisors (222395482).

423268478 is a wasteful number, since it uses less digits than its factorization.

423268478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587082.

The product of its digits is 516096, while the sum is 44.

The square root of 423268478 is about 20573.4896894037. The cubic root of 423268478 is about 750.8248572222.

The spelling of 423268478 in words is "four hundred twenty-three million, two hundred sixty-eight thousand, four hundred seventy-eight".