2217007923 has 16 divisors (see below), whose sum is σ = 3196618656. Its totient is φ = 1358645760.

The previous prime is 2217007841. The next prime is 2217007939. The reversal of 2217007923 is 3297007122.

It is not a de Polignac number, because 2217007923 - 2¹⁸ = 2216745779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2217007943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108540 + ... + 127337.

It is an arithmetic number, because the mean of its divisors is an integer number (199788666).

Almost surely, 2^2217007923 is an apocalyptic number.

2217007923 is a deficient number, since it is larger than the sum of its proper divisors (979610733).

2217007923 is a wasteful number, since it uses less digits than its factorization.

2217007923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236134.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 2217007923 is about 47085.1136029213. The cubic root of 2217007923 is about 1303.9344164749.

The spelling of 2217007923 in words is "two billion, two hundred seventeen million, seven thousand, nine hundred twenty-three".