423070672 has 20 divisors (see below), whose sum is σ = 820367136. Its totient is φ = 211363040.

The previous prime is 423070643. The next prime is 423070693. The reversal of 423070672 is 276070324.

It is a happy number.

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, 10797 + ... + 31027.

Almost surely, 2^423070672 is an apocalyptic number.

It is an amenable number.

423070672 is a deficient number, since it is larger than the sum of its proper divisors (397296464).

423070672 is a wasteful number, since it uses less digits than its factorization.

423070672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21546 (or 21540 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 423070672 is about 20568.6818245604. The cubic root of 423070672 is about 750.7078780384.

The spelling of 423070672 in words is "four hundred twenty-three million, seventy thousand, six hundred seventy-two".