423142003240 has 256 divisors, whose sum is σ = 1127955456000. Its totient is φ = 141326976000.

The previous prime is 423142003201. The next prime is 423142003247. The reversal of 423142003240 is 42300241324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (423142003247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23328975 + ... + 23347105.

It is an arithmetic number, because the mean of its divisors is an integer number (4406076000).

Almost surely, 2^423142003240 is an apocalyptic number.

423142003240 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 423142003240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563977728000).

423142003240 is an abundant number, since it is smaller than the sum of its proper divisors (704813452760).

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

423142003240 is a wasteful number, since it uses less digits than its factorization.

423142003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18272 (or 18268 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 423142003240 its reverse (42300241324), we get a palindrome (465442244564).

The spelling of 423142003240 in words is "four hundred twenty-three billion, one hundred forty-two million, three thousand, two hundred forty".