123233013121 has 8 divisors (see below), whose sum is σ = 130931290080. Its totient is φ = 115655969088.

The previous prime is 123233013119. The next prime is 123233013157. The reversal of 123233013121 is 121310332321.

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 123233013121 - 2¹ = 123233013119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123233013092 and 123233013101.

It is not an unprimeable number, because it can be changed into a prime (123233013181) 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, 30306136 + ... + 30310201.

It is an arithmetic number, because the mean of its divisors is an integer number (16366411260).

Almost surely, 2^123233013121 is an apocalyptic number.

It is an amenable number.

123233013121 is a deficient number, since it is larger than the sum of its proper divisors (7698276959).

123233013121 is a wasteful number, since it uses less digits than its factorization.

123233013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60616463.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123233013121 its reverse (121310332321), we get a palindrome (244543345442).

The spelling of 123233013121 in words is "one hundred twenty-three billion, two hundred thirty-three million, thirteen thousand, one hundred twenty-one".