8372423354820 has 768 divisors, whose sum is σ = 30294801653760. Its totient is φ = 1681634525184.

The previous prime is 8372423354809. The next prime is 8372423354833. The reversal of 8372423354820 is 284533242738.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 6902244534 + ... + 6902245746.

It is an arithmetic number, because the mean of its divisors is an integer number (39446356320).

Almost surely, 2^{8372423354820} 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 8372423354820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15147400826880).

8372423354820 is an abundant number, since it is smaller than the sum of its proper divisors (21922378298940).

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

8372423354820 is a wasteful number, since it uses less digits than its factorization.

8372423354820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 51.

The spelling of 8372423354820 in words is "eight trillion, three hundred seventy-two billion, four hundred twenty-three million, three hundred fifty-four thousand, eight hundred twenty".