23355685193 has 2 divisors, whose sum is σ = 23355685194. Its totient is φ = 23355685192.

The previous prime is 23355685147. The next prime is 23355685201. The reversal of 23355685193 is 39158655332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21811745344 + 1543939849 = 147688^2 + 39293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23355685193 is a prime.

It is not a weakly prime, because it can be changed into another prime (23355685103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11677842596 + 11677842597.

It is an arithmetic number, because the mean of its divisors is an integer number (11677842597).

Almost surely, 2^23355685193 is an apocalyptic number.

It is an amenable number.

23355685193 is a deficient number, since it is larger than the sum of its proper divisors (1).

23355685193 is an equidigital number, since it uses as much as digits as its factorization.

23355685193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916000, while the sum is 50.

The spelling of 23355685193 in words is "twenty-three billion, three hundred fifty-five million, six hundred eighty-five thousand, one hundred ninety-three".