601313023506 has 128 divisors (see below), whose sum is σ = 1340936626176. Its totient is φ = 178561843200.

The previous prime is 601313023471. The next prime is 601313023513. The reversal of 601313023506 is 605320313106.

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, 521519826 + ... + 521520978.

It is an arithmetic number, because the mean of its divisors is an integer number (10476067392).

Almost surely, 2^601313023506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 601313023506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670468313088).

601313023506 is an abundant number, since it is smaller than the sum of its proper divisors (739623602670).

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

601313023506 is a wasteful number, since it uses less digits than its factorization.

601313023506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516.

The product of its (nonzero) digits is 9720, while the sum is 30.

The spelling of 601313023506 in words is "six hundred one billion, three hundred thirteen million, twenty-three thousand, five hundred six".