423562478 has 16 divisors (see below), whose sum is σ = 671742720. Its totient is φ = 199746936.

The previous prime is 423562423. The next prime is 423562501. The reversal of 423562478 is 874265324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15926 + ... + 33177.

It is an arithmetic number, because the mean of its divisors is an integer number (41983920).

Almost surely, 2^423562478 is an apocalyptic number.

423562478 is a deficient number, since it is larger than the sum of its proper divisors (248180242).

423562478 is a wasteful number, since it uses less digits than its factorization.

423562478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49351.

The product of its digits is 322560, while the sum is 41.

The square root of 423562478 is about 20580.6335665353. The cubic root of 423562478 is about 750.9986566194.

The spelling of 423562478 in words is "four hundred twenty-three million, five hundred sixty-two thousand, four hundred seventy-eight".