23812547249 has 2 divisors, whose sum is σ = 23812547250. Its totient is φ = 23812547248.

The previous prime is 23812547191. The next prime is 23812547281. The reversal of 23812547249 is 94274521832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21435009649 + 2377537600 = 146407^2 + 48760^2 .

It is a cyclic number.

It is not a de Polignac number, because 23812547249 - 2¹⁶ = 23812481713 is a prime.

It is not a weakly prime, because it can be changed into another prime (23812547299) 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, 11906273624 + 11906273625.

It is an arithmetic number, because the mean of its divisors is an integer number (11906273625).

Almost surely, 2^23812547249 is an apocalyptic number.

It is an amenable number.

23812547249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23812547249 is an equidigital number, since it uses as much as digits as its factorization.

23812547249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The spelling of 23812547249 in words is "twenty-three billion, eight hundred twelve million, five hundred forty-seven thousand, two hundred forty-nine".