223212310133 has 2 divisors, whose sum is σ = 223212310134. Its totient is φ = 223212310132.

The previous prime is 223212310109. The next prime is 223212310141. The reversal of 223212310133 is 331013212322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143430353284 + 79781956849 = 378722^2 + 282457^2 .

It is a cyclic number.

It is not a de Polignac number, because 223212310133 - 2¹⁰ = 223212309109 is a prime.

It is a super-3 number, since 3×223212310133³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223212310099 and 223212310108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223212310163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111606155066 + 111606155067.

It is an arithmetic number, because the mean of its divisors is an integer number (111606155067).

Almost surely, 2^223212310133 is an apocalyptic number.

It is an amenable number.

223212310133 is a deficient number, since it is larger than the sum of its proper divisors (1).

223212310133 is an equidigital number, since it uses as much as digits as its factorization.

223212310133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 223212310133 its reverse (331013212322), we get a palindrome (554225522455).

The spelling of 223212310133 in words is "two hundred twenty-three billion, two hundred twelve million, three hundred ten thousand, one hundred thirty-three".