423446311680 has 144 divisors (see below), whose sum is σ = 1545579135744. Its totient is φ = 96787722240.

The previous prime is 423446311591. The next prime is 423446311693. The reversal of 423446311680 is 86113644324.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 7849726 + ... + 7903485.

Almost surely, 2^423446311680 is an apocalyptic number.

423446311680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423446311680 is an abundant number, since it is smaller than the sum of its proper divisors (1122132824064).

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

423446311680 is a wasteful number, since it uses less digits than its factorization.

423446311680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15753242 (or 15753228 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 423446311680 in words is "four hundred twenty-three billion, four hundred forty-six million, three hundred eleven thousand, six hundred eighty".