210144328423 has 2 divisors, whose sum is σ = 210144328424. Its totient is φ = 210144328422.

The previous prime is 210144328421. The next prime is 210144328453. The reversal of 210144328423 is 324823441012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210144328423 - 2¹ = 210144328421 is a prime.

It is a super-3 number, since 3×210144328423³ (a number of 35 digits) contains 333 as substring.

Together with 210144328421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210144328421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105072164211 + 105072164212.

It is an arithmetic number, because the mean of its divisors is an integer number (105072164212).

Almost surely, 2^210144328423 is an apocalyptic number.

210144328423 is a deficient number, since it is larger than the sum of its proper divisors (1).

210144328423 is an equidigital number, since it uses as much as digits as its factorization.

210144328423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 210144328423 its reverse (324823441012), we get a palindrome (534967769435).

The spelling of 210144328423 in words is "two hundred ten billion, one hundred forty-four million, three hundred twenty-eight thousand, four hundred twenty-three".