23738386547 has 2 divisors, whose sum is σ = 23738386548. Its totient is φ = 23738386546.

The previous prime is 23738386541. The next prime is 23738386601. The reversal of 23738386547 is 74568383732.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23738386547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23738386492 and 23738386501.

It is not a weakly prime, because it can be changed into another prime (23738386541) 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, 11869193273 + 11869193274.

It is an arithmetic number, because the mean of its divisors is an integer number (11869193274).

Almost surely, 2^23738386547 is an apocalyptic number.

23738386547 is a deficient number, since it is larger than the sum of its proper divisors (1).

23738386547 is an equidigital number, since it uses as much as digits as its factorization.

23738386547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 56.

The spelling of 23738386547 in words is "twenty-three billion, seven hundred thirty-eight million, three hundred eighty-six thousand, five hundred forty-seven".