23424780637 has 2 divisors, whose sum is σ = 23424780638. Its totient is φ = 23424780636.

The previous prime is 23424780601. The next prime is 23424780671. The reversal of 23424780637 is 73608742432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17824653081 + 5600127556 = 133509^2 + 74834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23424780637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23424780937) 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, 11712390318 + 11712390319.

It is an arithmetic number, because the mean of its divisors is an integer number (11712390319).

Almost surely, 2^23424780637 is an apocalyptic number.

It is an amenable number.

23424780637 is a deficient number, since it is larger than the sum of its proper divisors (1).

23424780637 is an equidigital number, since it uses as much as digits as its factorization.

23424780637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 23424780637 in words is "twenty-three billion, four hundred twenty-four million, seven hundred eighty thousand, six hundred thirty-seven".