23783545169 has 2 divisors, whose sum is σ = 23783545170. Its totient is φ = 23783545168.

The previous prime is 23783545157. The next prime is 23783545183. The reversal of 23783545169 is 96154538732.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20302545169 + 3481000000 = 142487^2 + 59000^2 .

It is a cyclic number.

It is not a de Polignac number, because 23783545169 - 2⁴ = 23783545153 is a prime.

It is a super-2 number, since 2×23783545169² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23783545169.

It is not a weakly prime, because it can be changed into another prime (23783545109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11891772584 + 11891772585.

It is an arithmetic number, because the mean of its divisors is an integer number (11891772585).

Almost surely, 2^23783545169 is an apocalyptic number.

It is an amenable number.

23783545169 is a deficient number, since it is larger than the sum of its proper divisors (1).

23783545169 is an equidigital number, since it uses as much as digits as its factorization.

23783545169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 53.

The spelling of 23783545169 in words is "twenty-three billion, seven hundred eighty-three million, five hundred forty-five thousand, one hundred sixty-nine".