223235421081131 has 2 divisors, whose sum is σ = 223235421081132. Its totient is φ = 223235421081130.

The previous prime is 223235421081061. The next prime is 223235421081137. The reversal of 223235421081131 is 131180124532322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223235421081131 - 2⁴⁶ = 152866676903467 is a prime.

It is a super-3 number, since 3×223235421081131³ (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 (223235421081137) 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, 111617710540565 + 111617710540566.

It is an arithmetic number, because the mean of its divisors is an integer number (111617710540566).

Almost surely, 2^{223235421081131} is an apocalyptic number.

223235421081131 is a deficient number, since it is larger than the sum of its proper divisors (1).

223235421081131 is an equidigital number, since it uses as much as digits as its factorization.

223235421081131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 223235421081131 in words is "two hundred twenty-three trillion, two hundred thirty-five billion, four hundred twenty-one million, eighty-one thousand, one hundred thirty-one".