423143494000 has 40 divisors (see below), whose sum is σ = 1023160973328. Its totient is φ = 169257396800.

The previous prime is 423143493947. The next prime is 423143494001. The reversal of 423143494000 is 494341324.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423143494001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105783874 + ... + 105787873.

Almost surely, 2^423143494000 is an apocalyptic number.

423143494000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423143494000 is an abundant number, since it is smaller than the sum of its proper divisors (600017479328).

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

423143494000 is a wasteful number, since it uses less digits than its factorization.

423143494000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211571770 (or 211571754 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 423143494000 in words is "four hundred twenty-three billion, one hundred forty-three million, four hundred ninety-four thousand".