123320030121 has 16 divisors (see below), whose sum is σ = 182715321600. Its totient is φ = 82204812144.

The previous prime is 123320030117. The next prime is 123320030147. The reversal of 123320030121 is 121030023321.

123320030121 is a `hidden beast` number, since 1 + 23 + 320 + 0 + 301 + 21 = 666.

It is not a de Polignac number, because 123320030121 - 2² = 123320030117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123320030094 and 123320030103.

It is not an unprimeable number, because it can be changed into a prime (123320030161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33040 + ... + 497726.

It is an arithmetic number, because the mean of its divisors is an integer number (11419707600).

Almost surely, 2^123320030121 is an apocalyptic number.

It is an amenable number.

123320030121 is a deficient number, since it is larger than the sum of its proper divisors (59395291479).

123320030121 is an equidigital number, since it uses as much as digits as its factorization.

123320030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474525 (or 474519 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123320030121 its reverse (121030023321), we get a palindrome (244350053442).

The spelling of 123320030121 in words is "one hundred twenty-three billion, three hundred twenty million, thirty thousand, one hundred twenty-one".