211441201423 has 4 divisors (see below), whose sum is σ = 211770037528. Its totient is φ = 211112365320.

The previous prime is 211441201381. The next prime is 211441201429. The reversal of 211441201423 is 324102144112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211441201423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211441201429) 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, 164417088 + ... + 164418373.

It is an arithmetic number, because the mean of its divisors is an integer number (52942509382).

Almost surely, 2^211441201423 is an apocalyptic number.

211441201423 is a deficient number, since it is larger than the sum of its proper divisors (328836105).

211441201423 is an equidigital number, since it uses as much as digits as its factorization.

211441201423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328836104.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 211441201423 its reverse (324102144112), we get a palindrome (535543345535).

The spelling of 211441201423 in words is "two hundred eleven billion, four hundred forty-one million, two hundred one thousand, four hundred twenty-three".