211453360823 has 2 divisors, whose sum is σ = 211453360824. Its totient is φ = 211453360822.

The previous prime is 211453360793. The next prime is 211453360841. The reversal of 211453360823 is 328063354112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211453360823 - 2⁶ = 211453360759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211453360843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105726680411 + 105726680412.

It is an arithmetic number, because the mean of its divisors is an integer number (105726680412).

Almost surely, 2^211453360823 is an apocalyptic number.

211453360823 is a deficient number, since it is larger than the sum of its proper divisors (1).

211453360823 is an equidigital number, since it uses as much as digits as its factorization.

211453360823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 211453360823 in words is "two hundred eleven billion, four hundred fifty-three million, three hundred sixty thousand, eight hundred twenty-three".