2303666505 has 48 divisors (see below), whose sum is σ = 4640837760. Its totient is φ = 1035247104.

The previous prime is 2303666503. The next prime is 2303666527. The reversal of 2303666505 is 5056663032.

It is not a de Polignac number, because 2303666505 - 2¹ = 2303666503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2303666505.

It is not an unprimeable number, because it can be changed into a prime (2303666503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43392 + ... + 80561.

It is an arithmetic number, because the mean of its divisors is an integer number (96684120).

Almost surely, 2^2303666505 is an apocalyptic number.

It is an amenable number.

2303666505 is an abundant number, since it is smaller than the sum of its proper divisors (2337171255).

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

2303666505 is a wasteful number, since it uses less digits than its factorization.

2303666505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124030 (or 124027 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 2303666505 is about 47996.5259680323. The cubic root of 2303666505 is about 1320.7071710068.

The spelling of 2303666505 in words is "two billion, three hundred three million, six hundred sixty-six thousand, five hundred five".