4234423301240 has 128 divisors (see below), whose sum is σ = 10731681239040. Its totient is φ = 1489728000000.

The previous prime is 4234423301219. The next prime is 4234423301243. The reversal of 4234423301240 is 421033244324.

It is a junction number, because it is equal to n+sod(n) for n = 4234423301197 and 4234423301206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4234423301243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54534845 + ... + 54612435.

It is an arithmetic number, because the mean of its divisors is an integer number (83841259680).

Almost surely, 2^{4234423301240} is an apocalyptic number.

4234423301240 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 4234423301240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5365840619520).

4234423301240 is an abundant number, since it is smaller than the sum of its proper divisors (6497257937800).

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

4234423301240 is a wasteful number, since it uses less digits than its factorization.

4234423301240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81645 (or 81641 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 4234423301240 its reverse (421033244324), we get a palindrome (4655456545564).

The spelling of 4234423301240 in words is "four trillion, two hundred thirty-four billion, four hundred twenty-three million, three hundred one thousand, two hundred forty".