210344323045 has 4 divisors (see below), whose sum is σ = 252413187660. Its totient is φ = 168275458432.

The previous prime is 210344323043. The next prime is 210344323067. The reversal of 210344323045 is 540323443012.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30498780321 + 179845542724 = 174639^2 + 424082^2 .

It is a cyclic number.

It is not a de Polignac number, because 210344323045 - 2¹ = 210344323043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210344322998 and 210344323016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210344323043) 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, 21034432300 + ... + 21034432309.

It is an arithmetic number, because the mean of its divisors is an integer number (63103296915).

Almost surely, 2^210344323045 is an apocalyptic number.

It is an amenable number.

210344323045 is a deficient number, since it is larger than the sum of its proper divisors (42068864615).

210344323045 is an equidigital number, since it uses as much as digits as its factorization.

210344323045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42068864614.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 210344323045 its reverse (540323443012), we get a palindrome (750667766057).

The spelling of 210344323045 in words is "two hundred ten billion, three hundred forty-four million, three hundred twenty-three thousand, forty-five".