423126240 has 192 divisors, whose sum is σ = 1396180800. Its totient is φ = 107577344.

The previous prime is 423126227. The next prime is 423126251. The reversal of 423126240 is 42621324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 423126240.

It is a congruent number.

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, 1572826 + ... + 1573094.

It is an arithmetic number, because the mean of its divisors is an integer number (7271775).

Almost surely, 2^423126240 is an apocalyptic number.

423126240 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 423126240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698090400).

423126240 is an abundant number, since it is smaller than the sum of its proper divisors (973054560).

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

423126240 is a wasteful number, since it uses less digits than its factorization.

423126240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 423126240 is about 20570.0325716806. The cubic root of 423126240 is about 750.7407437130.

Adding to 423126240 its reverse (42621324), we get a palindrome (465747564).

The spelling of 423126240 in words is "four hundred twenty-three million, one hundred twenty-six thousand, two hundred forty".