423861016 has 32 divisors (see below), whose sum is σ = 821635200. Its totient is φ = 204779520.

The previous prime is 423861007. The next prime is 423861023. The reversal of 423861016 is 610168324.

It is a happy number.

It is a super-3 number, since 3×423861016³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

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, 300120 + ... + 301528.

It is an arithmetic number, because the mean of its divisors is an integer number (25676100).

Almost surely, 2^423861016 is an apocalyptic number.

It is an amenable number.

423861016 is a deficient number, since it is larger than the sum of its proper divisors (397774184).

423861016 is a wasteful number, since it uses less digits than its factorization.

423861016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 423861016 is about 20587.8851755104. The cubic root of 423861016 is about 751.1750563989.

The spelling of 423861016 in words is "four hundred twenty-three million, eight hundred sixty-one thousand, sixteen".