211004923 has 2 divisors, whose sum is σ = 211004924. Its totient is φ = 211004922.

The previous prime is 211004897. The next prime is 211004933. The reversal of 211004923 is 329400112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211004923 - 2²¹ = 208907771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211004894 and 211004903.

It is not a weakly prime, because it can be changed into another prime (211004933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105502461 + 105502462.

It is an arithmetic number, because the mean of its divisors is an integer number (105502462).

Almost surely, 2^211004923 is an apocalyptic number.

211004923 is a deficient number, since it is larger than the sum of its proper divisors (1).

211004923 is an equidigital number, since it uses as much as digits as its factorization.

211004923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 211004923 is about 14526.0085019939. The cubic root of 211004923 is about 595.3388113414.

The spelling of 211004923 in words is "two hundred eleven million, four thousand, nine hundred twenty-three".