213023100313123 has 2 divisors, whose sum is σ = 213023100313124. Its totient is φ = 213023100313122.

The previous prime is 213023100313097. The next prime is 213023100313151. The reversal of 213023100313123 is 321313001320312.

213023100313123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213023100313123 - 2¹⁷ = 213023100182051 is a prime.

It is not a weakly prime, because it can be changed into another prime (213023100313223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106511550156561 + 106511550156562.

It is an arithmetic number, because the mean of its divisors is an integer number (106511550156562).

Almost surely, 2^{213023100313123} is an apocalyptic number.

213023100313123 is a deficient number, since it is larger than the sum of its proper divisors (1).

213023100313123 is an equidigital number, since it uses as much as digits as its factorization.

213023100313123 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 213023100313123 its reverse (321313001320312), we get a palindrome (534336101633435).

The spelling of 213023100313123 in words is "two hundred thirteen trillion, twenty-three billion, one hundred million, three hundred thirteen thousand, one hundred twenty-three".