423921610 has 16 divisors (see below), whose sum is σ = 872067456. Its totient is φ = 145344528.

The previous prime is 423921607. The next prime is 423921611. The reversal of 423921610 is 16129324.

It is not an unprimeable number, because it can be changed into a prime (423921611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3027942 + ... + 3028081.

It is an arithmetic number, because the mean of its divisors is an integer number (54504216).

Almost surely, 2^423921610 is an apocalyptic number.

423921610 is an abundant number, since it is smaller than the sum of its proper divisors (448145846).

423921610 is a wasteful number, since it uses less digits than its factorization.

423921610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056037.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 423921610 is about 20589.3567165174. The cubic root of 423921610 is about 751.2108499969.

The spelling of 423921610 in words is "four hundred twenty-three million, nine hundred twenty-one thousand, six hundred ten".