423342411440 has 40 divisors (see below), whose sum is σ = 1059984271248. Its totient is φ = 156311043840.

The previous prime is 423342411439. The next prime is 423342411449. The reversal of 423342411440 is 44114243324.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 423342411397 and 423342411406.

It is not an unprimeable number, because it can be changed into a prime (423342411449) 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, 203528966 + ... + 203531045.

Almost surely, 2^423342411440 is an apocalyptic number.

423342411440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423342411440 is an abundant number, since it is smaller than the sum of its proper divisors (636641859808).

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

423342411440 is a wasteful number, since it uses less digits than its factorization.

423342411440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407060037 (or 407060031 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 423342411440 its reverse (44114243324), we get a palindrome (467456654764).

The spelling of 423342411440 in words is "four hundred twenty-three billion, three hundred forty-two million, four hundred eleven thousand, four hundred forty".