123201112133 has 8 divisors (see below), whose sum is σ = 134681806080. Its totient is φ = 111767183680.

The previous prime is 123201112109. The next prime is 123201112157. The reversal of 123201112133 is 331211102321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123201112109) and next prime (123201112157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123201112133 - 2²⁰ = 123200063557 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 (123201112183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11685860 + ... + 11696397.

It is an arithmetic number, because the mean of its divisors is an integer number (16835225760).

Almost surely, 2^123201112133 is an apocalyptic number.

It is an amenable number.

123201112133 is a deficient number, since it is larger than the sum of its proper divisors (11480693947).

123201112133 is a wasteful number, since it uses less digits than its factorization.

123201112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23382747.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123201112133 its reverse (331211102321), we get a palindrome (454412214454).

The spelling of 123201112133 in words is "one hundred twenty-three billion, two hundred one million, one hundred twelve thousand, one hundred thirty-three".