123032011213 has 2 divisors, whose sum is σ = 123032011214. Its totient is φ = 123032011212.

The previous prime is 123032011199. The next prime is 123032011231. The reversal of 123032011213 is 312110230321.

Together with next prime (123032011231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89435687364 + 33596323849 = 299058^2 + 183293^2 .

It is a cyclic number.

It is not a de Polignac number, because 123032011213 - 2⁹ = 123032010701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123032011243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61516005606 + 61516005607.

It is an arithmetic number, because the mean of its divisors is an integer number (61516005607).

Almost surely, 2^123032011213 is an apocalyptic number.

It is an amenable number.

123032011213 is a deficient number, since it is larger than the sum of its proper divisors (1).

123032011213 is an equidigital number, since it uses as much as digits as its factorization.

123032011213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123032011213 its reverse (312110230321), we get a palindrome (435142241534).

The spelling of 123032011213 in words is "one hundred twenty-three billion, thirty-two million, eleven thousand, two hundred thirteen".