423881654 has 48 divisors (see below), whose sum is σ = 756101808. Its totient is φ = 177666048.

The previous prime is 423881641. The next prime is 423881683. The reversal of 423881654 is 456188324.

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 23 ways as a sum of consecutive naturals, for example, 1380569 + ... + 1380875.

It is an arithmetic number, because the mean of its divisors is an integer number (15752121).

Almost surely, 2^423881654 is an apocalyptic number.

423881654 is a deficient number, since it is larger than the sum of its proper divisors (332220154).

423881654 is a wasteful number, since it uses less digits than its factorization.

423881654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 582 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 423881654 is about 20588.3863865044. The cubic root of 423881654 is about 751.1872478945.

The spelling of 423881654 in words is "four hundred twenty-three million, eight hundred eighty-one thousand, six hundred fifty-four".