423341223240 has 256 divisors, whose sum is σ = 1407707320320. Its totient is φ = 101204167680.

The previous prime is 423341223211. The next prime is 423341223241. The reversal of 423341223240 is 42322143324.

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 = 423341223198 and 423341223207.

It is not an unprimeable number, because it can be changed into a prime (423341223241) 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, 7392397 + ... + 7449443.

It is an arithmetic number, because the mean of its divisors is an integer number (5498856720).

Almost surely, 2^423341223240 is an apocalyptic number.

423341223240 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 423341223240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703853660160).

423341223240 is an abundant number, since it is smaller than the sum of its proper divisors (984366097080).

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

423341223240 is a wasteful number, since it uses less digits than its factorization.

423341223240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57212 (or 57208 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 423341223240 its reverse (42322143324), we get a palindrome (465663366564).

The spelling of 423341223240 in words is "four hundred twenty-three billion, three hundred forty-one million, two hundred twenty-three thousand, two hundred forty".