321012131323123 has 8 divisors (see below), whose sum is σ = 340587448792560. Its totient is φ = 301513730622720.

The previous prime is 321012131323097. The next prime is 321012131323139. The reversal of 321012131323123 is 321323131210123.

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 321012131323123 - 2²¹ = 321012129225971 is a prime.

It is a super-2 number, since 2×321012131323123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321012131323091 and 321012131323100.

It is not an unprimeable number, because it can be changed into a prime (321012131323153) 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, 19229183658 + ... + 19229200351.

It is an arithmetic number, because the mean of its divisors is an integer number (42573431099070).

Almost surely, 2^{321012131323123} is an apocalyptic number.

321012131323123 is a deficient number, since it is larger than the sum of its proper divisors (19575317469437).

321012131323123 is a wasteful number, since it uses less digits than its factorization.

321012131323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38458384517.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 321012131323123 its reverse (321323131210123), we get a palindrome (642335262533246).

The spelling of 321012131323123 in words is "three hundred twenty-one trillion, twelve billion, one hundred thirty-one million, three hundred twenty-three thousand, one hundred twenty-three".