223144045913 has 2 divisors, whose sum is σ = 223144045914. Its totient is φ = 223144045912.

The previous prime is 223144045877. The next prime is 223144045937. The reversal of 223144045913 is 319540441322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215618136409 + 7525909504 = 464347^2 + 86752^2 .

It is a cyclic number.

It is not a de Polignac number, because 223144045913 - 2²⁸ = 222875610457 is a prime.

It is a super-4 number, since 4×223144045913⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (223144005913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111572022956 + 111572022957.

It is an arithmetic number, because the mean of its divisors is an integer number (111572022957).

Almost surely, 2^223144045913 is an apocalyptic number.

It is an amenable number.

223144045913 is a deficient number, since it is larger than the sum of its proper divisors (1).

223144045913 is an equidigital number, since it uses as much as digits as its factorization.

223144045913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 223144045913 in words is "two hundred twenty-three billion, one hundred forty-four million, forty-five thousand, nine hundred thirteen".