123200113213 has 4 divisors (see below), whose sum is σ = 123209309020. Its totient is φ = 123190917408.

The previous prime is 123200113181. The next prime is 123200113219. The reversal of 123200113213 is 312311002321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41859932409 + 81340180804 = 204597^2 + 285202^2 .

It is a cyclic number.

It is not a de Polignac number, because 123200113213 - 2⁵ = 123200113181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200113219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4577778 + ... + 4604611.

It is an arithmetic number, because the mean of its divisors is an integer number (30802327255).

Almost surely, 2^123200113213 is an apocalyptic number.

It is an amenable number.

123200113213 is a deficient number, since it is larger than the sum of its proper divisors (9195807).

123200113213 is an equidigital number, since it uses as much as digits as its factorization.

123200113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195806.

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

Adding to 123200113213 its reverse (312311002321), we get a palindrome (435511115534).

The spelling of 123200113213 in words is "one hundred twenty-three billion, two hundred million, one hundred thirteen thousand, two hundred thirteen".