213302320123 has 2 divisors, whose sum is σ = 213302320124. Its totient is φ = 213302320122.

The previous prime is 213302320111. The next prime is 213302320141. The reversal of 213302320123 is 321023203312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213302320123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213302320094 and 213302320103.

It is not a weakly prime, because it can be changed into another prime (213302320193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651160061 + 106651160062.

It is an arithmetic number, because the mean of its divisors is an integer number (106651160062).

Almost surely, 2^213302320123 is an apocalyptic number.

213302320123 is a deficient number, since it is larger than the sum of its proper divisors (1).

213302320123 is an equidigital number, since it uses as much as digits as its factorization.

213302320123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213302320123 its reverse (321023203312), we get a palindrome (534325523435).

The spelling of 213302320123 in words is "two hundred thirteen billion, three hundred two million, three hundred twenty thousand, one hundred twenty-three".