2305323212066 has 24 divisors (see below), whose sum is σ = 3977315438976. Its totient is φ = 981702549360.

The previous prime is 2305323212041. The next prime is 2305323212077. The reversal of 2305323212066 is 6602123235032.

It is a super-2 number, since 2×2305323212066² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2995130 + ... + 3685301.

It is an arithmetic number, because the mean of its divisors is an integer number (165721476624).

Almost surely, 2^{2305323212066} is an apocalyptic number.

2305323212066 is a deficient number, since it is larger than the sum of its proper divisors (1671992226910).

2305323212066 is an equidigital number, since it uses as much as digits as its factorization.

2305323212066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680754 (or 6680597 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 2305323212066 its reverse (6602123235032), we get a palindrome (8907446447098).

The spelling of 2305323212066 in words is "two trillion, three hundred five billion, three hundred twenty-three million, two hundred twelve thousand, sixty-six".