211404323399 has 2 divisors, whose sum is σ = 211404323400. Its totient is φ = 211404323398.

The previous prime is 211404323341. The next prime is 211404323411. The reversal of 211404323399 is 993323404112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211404323399 - 2³⁶ = 142684846663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211404343399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105702161699 + 105702161700.

It is an arithmetic number, because the mean of its divisors is an integer number (105702161700).

Almost surely, 2^211404323399 is an apocalyptic number.

211404323399 is a deficient number, since it is larger than the sum of its proper divisors (1).

211404323399 is an equidigital number, since it uses as much as digits as its factorization.

211404323399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 211404323399 in words is "two hundred eleven billion, four hundred four million, three hundred twenty-three thousand, three hundred ninety-nine".