213231003310123 has 2 divisors, whose sum is σ = 213231003310124. Its totient is φ = 213231003310122.

The previous prime is 213231003310093. The next prime is 213231003310151. The reversal of 213231003310123 is 321013300132312.

213231003310123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213231003310123 is a prime.

It is not a weakly prime, because it can be changed into another prime (213231003313123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106615501655061 + 106615501655062.

It is an arithmetic number, because the mean of its divisors is an integer number (106615501655062).

Almost surely, 2^{213231003310123} is an apocalyptic number.

213231003310123 is a deficient number, since it is larger than the sum of its proper divisors (1).

213231003310123 is an equidigital number, since it uses as much as digits as its factorization.

213231003310123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 213231003310123 its reverse (321013300132312), we get a palindrome (534244303442435).

The spelling of 213231003310123 in words is "two hundred thirteen trillion, two hundred thirty-one billion, three million, three hundred ten thousand, one hundred twenty-three".