123301123121 has 4 divisors (see below), whose sum is σ = 134510316144. Its totient is φ = 112091930100.

The previous prime is 123301123091. The next prime is 123301123151. The reversal of 123301123121 is 121321103321.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (123301123091) and next prime (123301123151).

It is a cyclic number.

It is not a de Polignac number, because 123301123121 - 2²⁶ = 123234014257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123301123093 and 123301123102.

It is not an unprimeable number, because it can be changed into a prime (123301123151) 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, 5604596495 + ... + 5604596516.

It is an arithmetic number, because the mean of its divisors is an integer number (33627579036).

Almost surely, 2^123301123121 is an apocalyptic number.

123301123121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123301123121 is a deficient number, since it is larger than the sum of its proper divisors (11209193023).

123301123121 is a wasteful number, since it uses less digits than its factorization.

123301123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11209193022.

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

Adding to 123301123121 its reverse (121321103321), we get a palindrome (244622226442).

The spelling of 123301123121 in words is "one hundred twenty-three billion, three hundred one million, one hundred twenty-three thousand, one hundred twenty-one".