23472123817 has 2 divisors, whose sum is σ = 23472123818. Its totient is φ = 23472123816.

The previous prime is 23472123809. The next prime is 23472123863. The reversal of 23472123817 is 71832127432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21792845376 + 1679278441 = 147624^2 + 40979^2 .

It is a cyclic number.

It is not a de Polignac number, because 23472123817 - 2³ = 23472123809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23472123817.

It is not a weakly prime, because it can be changed into another prime (23472123887) 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, 11736061908 + 11736061909.

It is an arithmetic number, because the mean of its divisors is an integer number (11736061909).

Almost surely, 2^23472123817 is an apocalyptic number.

It is an amenable number.

23472123817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23472123817 is an equidigital number, since it uses as much as digits as its factorization.

23472123817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The spelling of 23472123817 in words is "twenty-three billion, four hundred seventy-two million, one hundred twenty-three thousand, eight hundred seventeen".