213223120087 has 2 divisors, whose sum is σ = 213223120088. Its totient is φ = 213223120086.

The previous prime is 213223120067. The next prime is 213223120129. The reversal of 213223120087 is 780021322312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213223120087 - 2¹⁹ = 213222595799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213223120067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611560043 + 106611560044.

It is an arithmetic number, because the mean of its divisors is an integer number (106611560044).

Almost surely, 2^213223120087 is an apocalyptic number.

213223120087 is a deficient number, since it is larger than the sum of its proper divisors (1).

213223120087 is an equidigital number, since it uses as much as digits as its factorization.

213223120087 is an evil number, because the sum of its binary digits is even.

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

Adding to 213223120087 its reverse (780021322312), we get a palindrome (993244442399).

The spelling of 213223120087 in words is "two hundred thirteen billion, two hundred twenty-three million, one hundred twenty thousand, eighty-seven".