23663977247 has 2 divisors, whose sum is σ = 23663977248. Its totient is φ = 23663977246.

The previous prime is 23663977217. The next prime is 23663977273. The reversal of 23663977247 is 74277936632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23663977247 - 2¹⁰ = 23663976223 is a prime.

It is a super-3 number, since 3×23663977247³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23663977192 and 23663977201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23663977217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11831988623 + 11831988624.

It is an arithmetic number, because the mean of its divisors is an integer number (11831988624).

Almost surely, 2^23663977247 is an apocalyptic number.

23663977247 is a deficient number, since it is larger than the sum of its proper divisors (1).

23663977247 is an equidigital number, since it uses as much as digits as its factorization.

23663977247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16003008, while the sum is 56.

The spelling of 23663977247 in words is "twenty-three billion, six hundred sixty-three million, nine hundred seventy-seven thousand, two hundred forty-seven".