3121230020123 has 8 divisors (see below), whose sum is σ = 3286938171600. Its totient is φ = 2955665157408.

The previous prime is 3121230020099. The next prime is 3121230020171. The reversal of 3121230020123 is 3210200321213.

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 3121230020123 - 2¹² = 3121230016027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3121230020095 and 3121230020104.

It is not an unprimeable number, because it can be changed into a prime (3121230320123) 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, 35777468 + ... + 35864601.

It is an arithmetic number, because the mean of its divisors is an integer number (410867271450).

Almost surely, 2^{3121230020123} is an apocalyptic number.

3121230020123 is a deficient number, since it is larger than the sum of its proper divisors (165708151477).

3121230020123 is a wasteful number, since it uses less digits than its factorization.

3121230020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71644381.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3121230020123 its reverse (3210200321213), we get a palindrome (6331430341336).

The spelling of 3121230020123 in words is "three trillion, one hundred twenty-one billion, two hundred thirty million, twenty thousand, one hundred twenty-three".