423411234433440 has 96 divisors (see below), whose sum is σ = 1454994969253056. Its totient is φ = 102645147740160.

The previous prime is 423411234433433. The next prime is 423411234433441. The reversal of 423411234433440 is 44334432114324.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 423411234433392 and 423411234433401.

It is not an unprimeable number, because it can be changed into a prime (423411234433441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40095755557 + ... + 40095766116.

It is an arithmetic number, because the mean of its divisors is an integer number (15156197596386).

Almost surely, 2^{423411234433440} is an apocalyptic number.

423411234433440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423411234433440 is an abundant number, since it is smaller than the sum of its proper divisors (1031583734819616).

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

423411234433440 is a wasteful number, since it uses less digits than its factorization.

423411234433440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80191521702 (or 80191521694 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 42.

Adding to 423411234433440 its reverse (44334432114324), we get a palindrome (467745666547764).

The spelling of 423411234433440 in words is "four hundred twenty-three trillion, four hundred eleven billion, two hundred thirty-four million, four hundred thirty-three thousand, four hundred forty".