123013330321 has 16 divisors (see below), whose sum is σ = 143493952000. Its totient is φ = 105411940704.

The previous prime is 123013330291. The next prime is 123013330381. The reversal of 123013330321 is 123033310321.

It is not a de Polignac number, because 123013330321 - 2¹⁵ = 123013297553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123013330292 and 123013330301.

It is not an unprimeable number, because it can be changed into a prime (123013330381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298461 + ... + 1389973.

It is an arithmetic number, because the mean of its divisors is an integer number (8968372000).

Almost surely, 2^123013330321 is an apocalyptic number.

It is an amenable number.

123013330321 is a deficient number, since it is larger than the sum of its proper divisors (20480621679).

123013330321 is an frugal number, since it uses more digits than its factorization.

123013330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95453 (or 95439 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123013330321 its reverse (123033310321), we get a palindrome (246046640642).

The spelling of 123013330321 in words is "one hundred twenty-three billion, thirteen million, three hundred thirty thousand, three hundred twenty-one".