323129749042 has 16 divisors (see below), whose sum is σ = 485067128832. Its totient is φ = 161440750240.

The previous prime is 323129749039. The next prime is 323129749051. The reversal of 323129749042 is 240947921323.

It is a junction number, because it is equal to n+sod(n) for n = 323129748983 and 323129749001.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22980078 + ... + 22994134.

It is an arithmetic number, because the mean of its divisors is an integer number (30316695552).

Almost surely, 2^323129749042 is an apocalyptic number.

323129749042 is a deficient number, since it is larger than the sum of its proper divisors (161937379790).

323129749042 is a wasteful number, since it uses less digits than its factorization.

323129749042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22073.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 323129749042 in words is "three hundred twenty-three billion, one hundred twenty-nine million, seven hundred forty-nine thousand, forty-two".