21723716652314 has 32 divisors (see below), whose sum is σ = 33971166907920. Its totient is φ = 10406100966912.

The previous prime is 21723716652311. The next prime is 21723716652377. The reversal of 21723716652314 is 41325661732712.

It can be written as a sum of positive squares in 8 ways, for example, as 11923091598289 + 9800625054025 = 3452983^2 + 3130595^2 .

It is not an unprimeable number, because it can be changed into a prime (21723716652311) 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, 1713302 + ... + 6810494.

Almost surely, 2^{21723716652314} is an apocalyptic number.

21723716652314 is a deficient number, since it is larger than the sum of its proper divisors (12247450255606).

21723716652314 is a wasteful number, since it uses less digits than its factorization.

21723716652314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097794.

The product of its digits is 2540160, while the sum is 50.

The spelling of 21723716652314 in words is "twenty-one trillion, seven hundred twenty-three billion, seven hundred sixteen million, six hundred fifty-two thousand, three hundred fourteen".