232123210013 has 2 divisors, whose sum is σ = 232123210014. Its totient is φ = 232123210012.

The previous prime is 232123210003. The next prime is 232123210019. The reversal of 232123210013 is 310012321232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127578981124 + 104544228889 = 357182^2 + 323333^2 .

It is a cyclic number.

It is not a de Polignac number, because 232123210013 - 2⁶ = 232123209949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232123210019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116061605006 + 116061605007.

It is an arithmetic number, because the mean of its divisors is an integer number (116061605007).

Almost surely, 2^232123210013 is an apocalyptic number.

It is an amenable number.

232123210013 is a deficient number, since it is larger than the sum of its proper divisors (1).

232123210013 is an equidigital number, since it uses as much as digits as its factorization.

232123210013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 232123210013 its reverse (310012321232), we get a palindrome (542135531245).

The spelling of 232123210013 in words is "two hundred thirty-two billion, one hundred twenty-three million, two hundred ten thousand, thirteen".