211380523 has 2 divisors, whose sum is σ = 211380524. Its totient is φ = 211380522.

The previous prime is 211380467. The next prime is 211380541. The reversal of 211380523 is 325083112.

211380523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211380523 - 2¹³ = 211372331 is a prime.

It is not a weakly prime, because it can be changed into another prime (211386523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105690261 + 105690262.

It is an arithmetic number, because the mean of its divisors is an integer number (105690262).

Almost surely, 2^211380523 is an apocalyptic number.

211380523 is a deficient number, since it is larger than the sum of its proper divisors (1).

211380523 is an equidigital number, since it uses as much as digits as its factorization.

211380523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 211380523 is about 14538.9312880968. The cubic root of 211380523 is about 595.6918468798.

The spelling of 211380523 in words is "two hundred eleven million, three hundred eighty thousand, five hundred twenty-three".