423357615516 has 288 divisors, whose sum is σ = 1209106483200. Its totient is φ = 114000030720.

The previous prime is 423357615467. The next prime is 423357615517. The reversal of 423357615516 is 615516753324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423357615517) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 260206695 + ... + 260208321.

It is an arithmetic number, because the mean of its divisors is an integer number (4198286400).

Almost surely, 2^423357615516 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 423357615516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604553241600).

423357615516 is an abundant number, since it is smaller than the sum of its proper divisors (785748867684).

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

423357615516 is a wasteful number, since it uses less digits than its factorization.

423357615516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2038 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 48.

The spelling of 423357615516 in words is "four hundred twenty-three billion, three hundred fifty-seven million, six hundred fifteen thousand, five hundred sixteen".