211321607323 has 2 divisors, whose sum is σ = 211321607324. Its totient is φ = 211321607322.

The previous prime is 211321607303. The next prime is 211321607327. The reversal of 211321607323 is 323706123112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211321607323 - 2¹³ = 211321599131 is a prime.

It is not a weakly prime, because it can be changed into another prime (211321607327) 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, 105660803661 + 105660803662.

It is an arithmetic number, because the mean of its divisors is an integer number (105660803662).

Almost surely, 2^211321607323 is an apocalyptic number.

211321607323 is a deficient number, since it is larger than the sum of its proper divisors (1).

211321607323 is an equidigital number, since it uses as much as digits as its factorization.

211321607323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 211321607323 in words is "two hundred eleven billion, three hundred twenty-one million, six hundred seven thousand, three hundred twenty-three".