210344120401223 has 4 divisors (see below), whose sum is σ = 215235844131528. Its totient is φ = 205452396670920.

The previous prime is 210344120401199. The next prime is 210344120401237. The reversal of 210344120401223 is 322104021443012.

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

It is a cyclic number.

It is not a de Polignac number, because 210344120401223 - 2¹² = 210344120397127 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 (210344120401273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445861865088 + ... + 2445861865173.

It is an arithmetic number, because the mean of its divisors is an integer number (53808961032882).

Almost surely, 2^{210344120401223} is an apocalyptic number.

210344120401223 is a deficient number, since it is larger than the sum of its proper divisors (4891723730305).

210344120401223 is an equidigital number, since it uses as much as digits as its factorization.

210344120401223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4891723730304.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 210344120401223 its reverse (322104021443012), we get a palindrome (532448141844235).

The spelling of 210344120401223 in words is "two hundred ten trillion, three hundred forty-four billion, one hundred twenty million, four hundred one thousand, two hundred twenty-three".