23388863501 has 2 divisors, whose sum is σ = 23388863502. Its totient is φ = 23388863500.

The previous prime is 23388863479. The next prime is 23388863503. The reversal of 23388863501 is 10536888332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14220801001 + 9168062500 = 119251^2 + 95750^2 .

It is a cyclic number.

It is not a de Polignac number, because 23388863501 - 2⁶ = 23388863437 is a prime.

Together with 23388863503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23388863503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11694431750 + 11694431751.

It is an arithmetic number, because the mean of its divisors is an integer number (11694431751).

Almost surely, 2^23388863501 is an apocalyptic number.

It is an amenable number.

23388863501 is a deficient number, since it is larger than the sum of its proper divisors (1).

23388863501 is an equidigital number, since it uses as much as digits as its factorization.

23388863501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 23388863501 in words is "twenty-three billion, three hundred eighty-eight million, eight hundred sixty-three thousand, five hundred one".