323505006426 has 96 divisors (see below), whose sum is σ = 836099297280. Its totient is φ = 88389034272.

The previous prime is 323505006401. The next prime is 323505006443. The reversal of 323505006426 is 624600505323.

323505006426 is a `hidden beast` number, since 3 + 2 + 3 + 5 + 0 + 5 + 0 + 0 + 642 + 6 = 666.

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, 13849465 + ... + 13872803.

It is an arithmetic number, because the mean of its divisors is an integer number (8709367680).

Almost surely, 2^323505006426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323505006426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418049648640).

323505006426 is an abundant number, since it is smaller than the sum of its proper divisors (512594290854).

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

323505006426 is a wasteful number, since it uses less digits than its factorization.

323505006426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28160 (or 28157 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 323505006426 in words is "three hundred twenty-three billion, five hundred five million, six thousand, four hundred twenty-six".