123332113121 has 4 divisors (see below), whose sum is σ = 140950986432. Its totient is φ = 105713239812.

The previous prime is 123332113103. The next prime is 123332113133. The reversal of 123332113121 is 121311233321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123332113121 - 2⁶ = 123332113057 is a prime.

It is a super-2 number, since 2×123332113121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123332113721) 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, 8809436645 + ... + 8809436658.

It is an arithmetic number, because the mean of its divisors is an integer number (35237746608).

Almost surely, 2^123332113121 is an apocalyptic number.

It is an amenable number.

123332113121 is a deficient number, since it is larger than the sum of its proper divisors (17618873311).

123332113121 is an equidigital number, since it uses as much as digits as its factorization.

123332113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17618873310.

The product of its digits is 648, while the sum is 23.

Adding to 123332113121 its reverse (121311233321), we get a palindrome (244643346442).

The spelling of 123332113121 in words is "one hundred twenty-three billion, three hundred thirty-two million, one hundred thirteen thousand, one hundred twenty-one".