321042923 has 8 divisors (see below), whose sum is σ = 325105920. Its totient is φ = 317005120.

The previous prime is 321042899. The next prime is 321042929. The reversal of 321042923 is 329240123.

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 321042923 - 2¹⁰ = 321041899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321042892 and 321042901.

It is not an unprimeable number, because it can be changed into a prime (321042929) 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, 20033 + ... + 32301.

It is an arithmetic number, because the mean of its divisors is an integer number (40638240).

Almost surely, 2^321042923 is an apocalyptic number.

321042923 is a deficient number, since it is larger than the sum of its proper divisors (4062997).

321042923 is a wasteful number, since it uses less digits than its factorization.

321042923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 321042923 is about 17917.6706912478. The cubic root of 321042923 is about 684.7326450569.

The spelling of 321042923 in words is "three hundred twenty-one million, forty-two thousand, nine hundred twenty-three".