423345786 has 16 divisors (see below), whose sum is σ = 869575584. Its totient is φ = 137301264.

The previous prime is 423345773. The next prime is 423345809. The reversal of 423345786 is 687543324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953260 + ... + 953703.

It is an arithmetic number, because the mean of its divisors is an integer number (54348474).

Almost surely, 2^423345786 is an apocalyptic number.

423345786 is an abundant number, since it is smaller than the sum of its proper divisors (446229798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423345786 is a wasteful number, since it uses less digits than its factorization.

423345786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907005.

The product of its digits is 483840, while the sum is 42.

The square root of 423345786 is about 20575.3684292651. The cubic root of 423345786 is about 750.8705659844.

The spelling of 423345786 in words is "four hundred twenty-three million, three hundred forty-five thousand, seven hundred eighty-six".