223212031087 has 2 divisors, whose sum is σ = 223212031088. Its totient is φ = 223212031086.

The previous prime is 223212031079. The next prime is 223212031123. The reversal of 223212031087 is 780130212322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223212031087 - 2³ = 223212031079 is a prime.

It is a super-3 number, since 3×223212031087³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223212031067) 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, 111606015543 + 111606015544.

It is an arithmetic number, because the mean of its divisors is an integer number (111606015544).

Almost surely, 2^223212031087 is an apocalyptic number.

223212031087 is a deficient number, since it is larger than the sum of its proper divisors (1).

223212031087 is an equidigital number, since it uses as much as digits as its factorization.

223212031087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 223212031087 in words is "two hundred twenty-three billion, two hundred twelve million, thirty-one thousand, eighty-seven".