23953708817 has 2 divisors, whose sum is σ = 23953708818. Its totient is φ = 23953708816.

The previous prime is 23953708799. The next prime is 23953708829. The reversal of 23953708817 is 71880735932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23838124816 + 115584001 = 154396^2 + 10751^2 .

It is a cyclic number.

It is not a de Polignac number, because 23953708817 - 2¹⁰ = 23953707793 is a prime.

It is not a weakly prime, because it can be changed into another prime (23953708837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11976854408 + 11976854409.

It is an arithmetic number, because the mean of its divisors is an integer number (11976854409).

Almost surely, 2^23953708817 is an apocalyptic number.

It is an amenable number.

23953708817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23953708817 is an equidigital number, since it uses as much as digits as its factorization.

23953708817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 23953708817 in words is "twenty-three billion, nine hundred fifty-three million, seven hundred eight thousand, eight hundred seventeen".