23545767313 has 2 divisors, whose sum is σ = 23545767314. Its totient is φ = 23545767312.

The previous prime is 23545767283. The next prime is 23545767353. The reversal of 23545767313 is 31376754532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22756325904 + 789441409 = 150852^2 + 28097^2 .

It is a cyclic number.

It is not a de Polignac number, because 23545767313 - 2¹⁷ = 23545636241 is a prime.

It is not a weakly prime, because it can be changed into another prime (23545767353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772883656 + 11772883657.

It is an arithmetic number, because the mean of its divisors is an integer number (11772883657).

Almost surely, 2^23545767313 is an apocalyptic number.

It is an amenable number.

23545767313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23545767313 is an equidigital number, since it uses as much as digits as its factorization.

23545767313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 46.

The spelling of 23545767313 in words is "twenty-three billion, five hundred forty-five million, seven hundred sixty-seven thousand, three hundred thirteen".