13423431234593 has 2 divisors, whose sum is σ = 13423431234594. Its totient is φ = 13423431234592.

The previous prime is 13423431234569. The next prime is 13423431234623. The reversal of 13423431234593 is 39543213432431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8207720767744 + 5215710466849 = 2864912^2 + 2283793^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423431234593 - 2¹⁴ = 13423431218209 is a prime.

It is a super-2 number, since 2×13423431234593² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13423431233593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711715617296 + 6711715617297.

It is an arithmetic number, because the mean of its divisors is an integer number (6711715617297).

Almost surely, 2^{13423431234593} is an apocalyptic number.

It is an amenable number.

13423431234593 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423431234593 is an equidigital number, since it uses as much as digits as its factorization.

13423431234593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 47.

The spelling of 13423431234593 in words is "thirteen trillion, four hundred twenty-three billion, four hundred thirty-one million, two hundred thirty-four thousand, five hundred ninety-three".