323497787652 has 144 divisors (see below), whose sum is σ = 906650192448. Its totient is φ = 96625509120.

The previous prime is 323497787647. The next prime is 323497787671. The reversal of 323497787652 is 256787794323.

323497787652 is a `hidden beast` number, since 3 + 2 + 3 + 497 + 7 + 87 + 65 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 323497787652.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3230902 + ... + 3329522.

It is an arithmetic number, because the mean of its divisors is an integer number (6296181892).

Almost surely, 2^323497787652 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 323497787652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453325096224).

323497787652 is an abundant number, since it is smaller than the sum of its proper divisors (583152404796).

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

323497787652 is a wasteful number, since it uses less digits than its factorization.

323497787652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98850 (or 98845 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 63.

The spelling of 323497787652 in words is "three hundred twenty-three billion, four hundred ninety-seven million, seven hundred eighty-seven thousand, six hundred fifty-two".