23544877313 has 2 divisors, whose sum is σ = 23544877314. Its totient is φ = 23544877312.

The previous prime is 23544877283. The next prime is 23544877327. The reversal of 23544877313 is 31377844532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17321718544 + 6223158769 = 131612^2 + 78887^2 .

It is a cyclic number.

It is not a de Polignac number, because 23544877313 - 2⁶ = 23544877249 is a prime.

It is a super-2 number, since 2×23544877313² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23544577313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772438656 + 11772438657.

It is an arithmetic number, because the mean of its divisors is an integer number (11772438657).

Almost surely, 2^23544877313 is an apocalyptic number.

It is an amenable number.

23544877313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23544877313 is an equidigital number, since it uses as much as digits as its factorization.

23544877313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 47.

The spelling of 23544877313 in words is "twenty-three billion, five hundred forty-four million, eight hundred seventy-seven thousand, three hundred thirteen".