23195594593 has 2 divisors, whose sum is σ = 23195594594. Its totient is φ = 23195594592.

The previous prime is 23195594567. The next prime is 23195594621. The reversal of 23195594593 is 39549559132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19157881744 + 4037712849 = 138412^2 + 63543^2 .

It is a cyclic number.

It is not a de Polignac number, because 23195594593 - 2⁵ = 23195594561 is a prime.

It is not a weakly prime, because it can be changed into another prime (23195594503) 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, 11597797296 + 11597797297.

It is an arithmetic number, because the mean of its divisors is an integer number (11597797297).

Almost surely, 2^23195594593 is an apocalyptic number.

It is an amenable number.

23195594593 is a deficient number, since it is larger than the sum of its proper divisors (1).

23195594593 is an equidigital number, since it uses as much as digits as its factorization.

23195594593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6561000, while the sum is 55.

The spelling of 23195594593 in words is "twenty-three billion, one hundred ninety-five million, five hundred ninety-four thousand, five hundred ninety-three".