1423650645516 has 192 divisors, whose sum is σ = 3733561714176. Its totient is φ = 418475366400.

The previous prime is 1423650645509. The next prime is 1423650645577. The reversal of 1423650645516 is 6155460563241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1036889806 + ... + 1036891178.

It is an arithmetic number, because the mean of its divisors is an integer number (19445633928).

Almost surely, 2^{1423650645516} 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 1423650645516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866780857088).

1423650645516 is an abundant number, since it is smaller than the sum of its proper divisors (2309911068660).

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

1423650645516 is a wasteful number, since it uses less digits than its factorization.

1423650645516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 1423650645516 in words is "one trillion, four hundred twenty-three billion, six hundred fifty million, six hundred forty-five thousand, five hundred sixteen".