23538120163 has 2 divisors, whose sum is σ = 23538120164. Its totient is φ = 23538120162.

The previous prime is 23538120139. The next prime is 23538120181. The reversal of 23538120163 is 36102183532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23538120163 - 2²¹ = 23536023011 is a prime.

It is not a weakly prime, because it can be changed into another prime (23538121163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11769060081 + 11769060082.

It is an arithmetic number, because the mean of its divisors is an integer number (11769060082).

Almost surely, 2^23538120163 is an apocalyptic number.

23538120163 is a deficient number, since it is larger than the sum of its proper divisors (1).

23538120163 is an equidigital number, since it uses as much as digits as its factorization.

23538120163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 23538120163 in words is "twenty-three billion, five hundred thirty-eight million, one hundred twenty thousand, one hundred sixty-three".