423553946 has 16 divisors (see below), whose sum is σ = 673085376. Its totient is φ = 199206336.

The previous prime is 423553939. The next prime is 423553951. The reversal of 423553946 is 649355324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110555 + ... + 114321.

It is an arithmetic number, because the mean of its divisors is an integer number (42067836).

Almost surely, 2^423553946 is an apocalyptic number.

423553946 is a deficient number, since it is larger than the sum of its proper divisors (249531430).

423553946 is a wasteful number, since it uses less digits than its factorization.

423553946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093.

The product of its digits is 388800, while the sum is 41.

The square root of 423553946 is about 20580.4262832430. The cubic root of 423553946 is about 750.9936140232.

The spelling of 423553946 in words is "four hundred twenty-three million, five hundred fifty-three thousand, nine hundred forty-six".