423143333040 has 160 divisors (see below), whose sum is σ = 1321462849536. Its totient is φ = 112005089280.

The previous prime is 423143333017. The next prime is 423143333089. The reversal of 423143333040 is 40333341324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 423143332989 and 423143333007.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19384212 + ... + 19406028.

Almost surely, 2^423143333040 is an apocalyptic number.

423143333040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423143333040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660731424768).

423143333040 is an abundant number, since it is smaller than the sum of its proper divisors (898319516496).

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

423143333040 is a wasteful number, since it uses less digits than its factorization.

423143333040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22427 (or 22421 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 423143333040 its reverse (40333341324), we get a palindrome (463476674364).

The spelling of 423143333040 in words is "four hundred twenty-three billion, one hundred forty-three million, three hundred thirty-three thousand, forty".