211452441523 has 2 divisors, whose sum is σ = 211452441524. Its totient is φ = 211452441522.

The previous prime is 211452441509. The next prime is 211452441553. The reversal of 211452441523 is 325144254112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211452441523 - 2¹³ = 211452433331 is a prime.

It is not a weakly prime, because it can be changed into another prime (211452441553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105726220761 + 105726220762.

It is an arithmetic number, because the mean of its divisors is an integer number (105726220762).

Almost surely, 2^211452441523 is an apocalyptic number.

211452441523 is a deficient number, since it is larger than the sum of its proper divisors (1).

211452441523 is an equidigital number, since it uses as much as digits as its factorization.

211452441523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 34.

Adding to 211452441523 its reverse (325144254112), we get a palindrome (536596695635).

The spelling of 211452441523 in words is "two hundred eleven billion, four hundred fifty-two million, four hundred forty-one thousand, five hundred twenty-three".