423404143040 has 56 divisors (see below), whose sum is σ = 1008287300160. Its totient is φ = 169352219648.

The previous prime is 423404143033. The next prime is 423404143061. The reversal of 423404143040 is 40341404324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 423404142994 and 423404143012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9856649 + ... + 9899511.

It is an arithmetic number, because the mean of its divisors is an integer number (18005130360).

Almost surely, 2^423404143040 is an apocalyptic number.

423404143040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423404143040 is an abundant number, since it is smaller than the sum of its proper divisors (584883157120).

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

423404143040 is a wasteful number, since it uses less digits than its factorization.

423404143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73749 (or 73739 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 423404143040 its reverse (40341404324), we get a palindrome (463745547364).

The spelling of 423404143040 in words is "four hundred twenty-three billion, four hundred four million, one hundred forty-three thousand, forty".