223113231001273 has 2 divisors, whose sum is σ = 223113231001274. Its totient is φ = 223113231001272.

The previous prime is 223113231001231. The next prime is 223113231001277. The reversal of 223113231001273 is 372100132311322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196997983146409 + 26115247854864 = 14035597^2 + 5110308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223113231001273 is a prime.

It is a super-3 number, since 3×223113231001273³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (223113231001277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111556615500636 + 111556615500637.

It is an arithmetic number, because the mean of its divisors is an integer number (111556615500637).

Almost surely, 2^{223113231001273} is an apocalyptic number.

It is an amenable number.

223113231001273 is a deficient number, since it is larger than the sum of its proper divisors (1).

223113231001273 is an equidigital number, since it uses as much as digits as its factorization.

223113231001273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 223113231001273 its reverse (372100132311322), we get a palindrome (595213363312595).

The spelling of 223113231001273 in words is "two hundred twenty-three trillion, one hundred thirteen billion, two hundred thirty-one million, one thousand, two hundred seventy-three".