210142443031223 has 2 divisors, whose sum is σ = 210142443031224. Its totient is φ = 210142443031222.

The previous prime is 210142443031201. The next prime is 210142443031429. The reversal of 210142443031223 is 322130344241012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210142443031223 - 2⁸ = 210142443030967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210142443031223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210142443031123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105071221515611 + 105071221515612.

It is an arithmetic number, because the mean of its divisors is an integer number (105071221515612).

Almost surely, 2^{210142443031223} is an apocalyptic number.

210142443031223 is a deficient number, since it is larger than the sum of its proper divisors (1).

210142443031223 is an equidigital number, since it uses as much as digits as its factorization.

210142443031223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 210142443031223 its reverse (322130344241012), we get a palindrome (532272787272235).

The spelling of 210142443031223 in words is "two hundred ten trillion, one hundred forty-two billion, four hundred forty-three million, thirty-one thousand, two hundred twenty-three".