423343301040 has 640 divisors, whose sum is σ = 1757587507200. Its totient is φ = 92390031360.

The previous prime is 423343301039. The next prime is 423343301053. The reversal of 423343301040 is 40103343324.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 423343300995 and 423343301013.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9267376 + ... + 9312944.

It is an arithmetic number, because the mean of its divisors is an integer number (2746230480).

Almost surely, 2^423343301040 is an apocalyptic number.

423343301040 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 423343301040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878793753600).

423343301040 is an abundant number, since it is smaller than the sum of its proper divisors (1334244206160).

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

423343301040 is a wasteful number, since it uses less digits than its factorization.

423343301040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45642 (or 45630 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 423343301040 its reverse (40103343324), we get a palindrome (463446644364).

The spelling of 423343301040 in words is "four hundred twenty-three billion, three hundred forty-three million, three hundred one thousand, forty".