210144323423 has 8 divisors (see below), whose sum is σ = 215389398336. Its totient is φ = 204904944000.

The previous prime is 210144323381. The next prime is 210144323461. The reversal of 210144323423 is 324323441012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210144323423 - 2⁸ = 210144323167 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 (210144328423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349111 + ... + 1496792.

It is an arithmetic number, because the mean of its divisors is an integer number (26923674792).

Almost surely, 2^210144323423 is an apocalyptic number.

210144323423 is a deficient number, since it is larger than the sum of its proper divisors (5245074913).

210144323423 is a wasteful number, since it uses less digits than its factorization.

210144323423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847745.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 210144323423 its reverse (324323441012), we get a palindrome (534467764435).

The spelling of 210144323423 in words is "two hundred ten billion, one hundred forty-four million, three hundred twenty-three thousand, four hundred twenty-three".