210144434223 has 8 divisors (see below), whose sum is σ = 280195575088. Its totient is φ = 140094791424.

The previous prime is 210144434197. The next prime is 210144434237. The reversal of 210144434223 is 322434441012.

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

It is not a de Polignac number, because 210144434223 - 2²⁴ = 210127657007 is a prime.

It is a super-2 number, since 2×210144434223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210144434243) 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, 8865 + ... + 648357.

It is an arithmetic number, because the mean of its divisors is an integer number (35024446886).

Almost surely, 2^210144434223 is an apocalyptic number.

210144434223 is a deficient number, since it is larger than the sum of its proper divisors (70051140865).

210144434223 is a wasteful number, since it uses less digits than its factorization.

210144434223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749033.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 210144434223 its reverse (322434441012), we get a palindrome (532578875235).

The spelling of 210144434223 in words is "two hundred ten billion, one hundred forty-four million, four hundred thirty-four thousand, two hundred twenty-three".