423404230112340 has 96 divisors (see below), whose sum is σ = 1205798722652160. Its totient is φ = 110978165390976.

The previous prime is 423404230112287. The next prime is 423404230112351. The reversal of 423404230112340 is 43211032404324.

It is a super-2 number, since 2×423404230112340² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16079449 + ... + 33246911.

It is an arithmetic number, because the mean of its divisors is an integer number (12560403360960).

Almost surely, 2^{423404230112340} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423404230112340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602899361326080).

423404230112340 is an abundant number, since it is smaller than the sum of its proper divisors (782394492539820).

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

423404230112340 is a wasteful number, since it uses less digits than its factorization.

423404230112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174501 (or 17174499 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 423404230112340 its reverse (43211032404324), we get a palindrome (466615262516664).

The spelling of 423404230112340 in words is "four hundred twenty-three trillion, four hundred four billion, two hundred thirty million, one hundred twelve thousand, three hundred forty".