211040474523 has 4 divisors (see below), whose sum is σ = 281387299368. Its totient is φ = 140693649680.

The previous prime is 211040474521. The next prime is 211040474569. The reversal of 211040474523 is 325474040112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211040474523 - 2¹ = 211040474521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211040474521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35173412418 + ... + 35173412423.

It is an arithmetic number, because the mean of its divisors is an integer number (70346824842).

Almost surely, 2^211040474523 is an apocalyptic number.

211040474523 is a deficient number, since it is larger than the sum of its proper divisors (70346824845).

211040474523 is an equidigital number, since it uses as much as digits as its factorization.

211040474523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70346824844.

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 211040474523 in words is "two hundred eleven billion, forty million, four hundred seventy-four thousand, five hundred twenty-three".