321120404335123 has 16 divisors (see below), whose sum is σ = 323751696850944. Its totient is φ = 318490735268160.

The previous prime is 321120404335121. The next prime is 321120404335219. The reversal of 321120404335123 is 321533404021123.

It is a cyclic number.

It is not a de Polignac number, because 321120404335123 - 2¹ = 321120404335121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321120404335121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5784778938 + ... + 5784834448.

It is an arithmetic number, because the mean of its divisors is an integer number (20234481053184).

Almost surely, 2^{321120404335123} is an apocalyptic number.

321120404335123 is a deficient number, since it is larger than the sum of its proper divisors (2631292515821).

321120404335123 is a wasteful number, since it uses less digits than its factorization.

321120404335123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69282.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 321120404335123 its reverse (321533404021123), we get a palindrome (642653808356246).

The spelling of 321120404335123 in words is "three hundred twenty-one trillion, one hundred twenty billion, four hundred four million, three hundred thirty-five thousand, one hundred twenty-three".