213202443044123 has 32 divisors (see below), whose sum is σ = 240378580399104. Its totient is φ = 187623410781312.

The previous prime is 213202443044089. The next prime is 213202443044141. The reversal of 213202443044123 is 321440344202312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213202443044123 - 2¹⁰ = 213202443043099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213202443044623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108954290 + ... + 110893832.

It is an arithmetic number, because the mean of its divisors is an integer number (7511830637472).

Almost surely, 2^{213202443044123} is an apocalyptic number.

213202443044123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213202443044123 is a deficient number, since it is larger than the sum of its proper divisors (27176137354981).

213202443044123 is a wasteful number, since it uses less digits than its factorization.

213202443044123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940795.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 213202443044123 its reverse (321440344202312), we get a palindrome (534642787246435).

The spelling of 213202443044123 in words is "two hundred thirteen trillion, two hundred two billion, four hundred forty-three million, forty-four thousand, one hundred twenty-three".