23111360689 has 2 divisors, whose sum is σ = 23111360690. Its totient is φ = 23111360688.

The previous prime is 23111360639. The next prime is 23111360743. The reversal of 23111360689 is 98606311132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20762504464 + 2348856225 = 144092^2 + 48465^2 .

It is a cyclic number.

It is not a de Polignac number, because 23111360689 - 2²¹ = 23109263537 is a prime.

It is not a weakly prime, because it can be changed into another prime (23111360609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555680344 + 11555680345.

It is an arithmetic number, because the mean of its divisors is an integer number (11555680345).

Almost surely, 2^23111360689 is an apocalyptic number.

It is an amenable number.

23111360689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23111360689 is an equidigital number, since it uses as much as digits as its factorization.

23111360689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 23111360689 in words is "twenty-three billion, one hundred eleven million, three hundred sixty thousand, six hundred eighty-nine".