223113350012549 has 2 divisors, whose sum is σ = 223113350012550. Its totient is φ = 223113350012548.

The previous prime is 223113350012513. The next prime is 223113350012611. The reversal of 223113350012549 is 945210053311322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201630060122500 + 21483289890049 = 14199650^2 + 4635007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223113350012549 is a prime.

It is a super-4 number, since 4×223113350012549⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223113350812549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111556675006274 + 111556675006275.

It is an arithmetic number, because the mean of its divisors is an integer number (111556675006275).

Almost surely, 2^{223113350012549} is an apocalyptic number.

It is an amenable number.

223113350012549 is a deficient number, since it is larger than the sum of its proper divisors (1).

223113350012549 is an equidigital number, since it uses as much as digits as its factorization.

223113350012549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 223113350012549 in words is "two hundred twenty-three trillion, one hundred thirteen billion, three hundred fifty million, twelve thousand, five hundred forty-nine".