3121230021123 has 8 divisors (see below), whose sum is σ = 4220254676736. Its totient is φ = 2051512689800.

The previous prime is 3121230021113. The next prime is 3121230021179. The reversal of 3121230021123 is 3211200321213.

3121230021123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3121230021123 - 2¹⁰ = 3121230020099 is a prime.

It is a super-2 number, since 2×3121230021123² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3121230021123.

It is not an unprimeable number, because it can be changed into a prime (3121230021113) 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, 7326830823 + ... + 7326831248.

It is an arithmetic number, because the mean of its divisors is an integer number (527531834592).

Almost surely, 2^{3121230021123} is an apocalyptic number.

3121230021123 is a deficient number, since it is larger than the sum of its proper divisors (1099024655613).

3121230021123 is a wasteful number, since it uses less digits than its factorization.

3121230021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14653662145.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3121230021123 its reverse (3211200321213), we get a palindrome (6332430342336).

The spelling of 3121230021123 in words is "three trillion, one hundred twenty-one billion, two hundred thirty million, twenty-one thousand, one hundred twenty-three".