223145535311 has 2 divisors, whose sum is σ = 223145535312. Its totient is φ = 223145535310.

The previous prime is 223145535253. The next prime is 223145535373. The reversal of 223145535311 is 113535541322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223145535311 is a prime.

It is a super-3 number, since 3×223145535311³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223145535611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111572767655 + 111572767656.

It is an arithmetic number, because the mean of its divisors is an integer number (111572767656).

Almost surely, 2^223145535311 is an apocalyptic number.

223145535311 is a deficient number, since it is larger than the sum of its proper divisors (1).

223145535311 is an equidigital number, since it uses as much as digits as its factorization.

223145535311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The spelling of 223145535311 in words is "two hundred twenty-three billion, one hundred forty-five million, five hundred thirty-five thousand, three hundred eleven".