13223566035623 has 2 divisors, whose sum is σ = 13223566035624. Its totient is φ = 13223566035622.

The previous prime is 13223566035607. The next prime is 13223566035671. The reversal of 13223566035623 is 32653066532231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13223566035623 - 2⁴ = 13223566035607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223566035223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611783017811 + 6611783017812.

It is an arithmetic number, because the mean of its divisors is an integer number (6611783017812).

Almost surely, 2^{13223566035623} is an apocalyptic number.

13223566035623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223566035623 is an equidigital number, since it uses as much as digits as its factorization.

13223566035623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 47.

The spelling of 13223566035623 in words is "thirteen trillion, two hundred twenty-three billion, five hundred sixty-six million, thirty-five thousand, six hundred twenty-three".