210202223113123 has 2 divisors, whose sum is σ = 210202223113124. Its totient is φ = 210202223113122.

The previous prime is 210202223113111. The next prime is 210202223113139. The reversal of 210202223113123 is 321311322202012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210202223113123 - 2¹³ = 210202223104931 is a prime.

It is a super-3 number, since 3×210202223113123³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (210202223110123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105101111556561 + 105101111556562.

It is an arithmetic number, because the mean of its divisors is an integer number (105101111556562).

Almost surely, 2^{210202223113123} is an apocalyptic number.

210202223113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

210202223113123 is an equidigital number, since it uses as much as digits as its factorization.

210202223113123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 210202223113123 its reverse (321311322202012), we get a palindrome (531513545315135).

The spelling of 210202223113123 in words is "two hundred ten trillion, two hundred two billion, two hundred twenty-three million, one hundred thirteen thousand, one hundred twenty-three".