23142435817 has 2 divisors, whose sum is σ = 23142435818. Its totient is φ = 23142435816.

The previous prime is 23142435791. The next prime is 23142435851. The reversal of 23142435817 is 71853424132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14100137536 + 9042298281 = 118744^2 + 95091^2 .

It is a cyclic number.

It is not a de Polignac number, because 23142435817 - 2¹⁵ = 23142403049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23142435817.

It is not a weakly prime, because it can be changed into another prime (23142435857) 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, 11571217908 + 11571217909.

It is an arithmetic number, because the mean of its divisors is an integer number (11571217909).

Almost surely, 2^23142435817 is an apocalyptic number.

It is an amenable number.

23142435817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23142435817 is an equidigital number, since it uses as much as digits as its factorization.

23142435817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

Adding to 23142435817 its reverse (71853424132), we get a palindrome (94995859949).

The spelling of 23142435817 in words is "twenty-three billion, one hundred forty-two million, four hundred thirty-five thousand, eight hundred seventeen".