423124234240 has 104 divisors (see below), whose sum is σ = 1017045016560. Its totient is φ = 168971206656.

The previous prime is 423124234223. The next prime is 423124234243. The reversal of 423124234240 is 42432421324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423124234243) 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, 12660432 + ... + 12693808.

Almost surely, 2^423124234240 is an apocalyptic number.

423124234240 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 423124234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508522508280).

423124234240 is an abundant number, since it is smaller than the sum of its proper divisors (593920782320).

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

423124234240 is an equidigital number, since it uses as much as digits as its factorization.

423124234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34025 (or 34003 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 423124234240 its reverse (42432421324), we get a palindrome (465556655564).

The spelling of 423124234240 in words is "four hundred twenty-three billion, one hundred twenty-four million, two hundred thirty-four thousand, two hundred forty".