9923321355 has 16 divisors (see below), whose sum is σ = 16424808480. Its totient is φ = 5109939968.

The previous prime is 9923321327. The next prime is 9923321381. The reversal of 9923321355 is 5531233299.

It is a cyclic number.

It is not a de Polignac number, because 9923321355 - 2⁵ = 9923321323 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11405682 + ... + 11406551.

It is an arithmetic number, because the mean of its divisors is an integer number (1026550530).

Almost surely, 2^9923321355 is an apocalyptic number.

9923321355 is a deficient number, since it is larger than the sum of its proper divisors (6501487125).

9923321355 is a wasteful number, since it uses less digits than its factorization.

9923321355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22812270.

The product of its digits is 218700, while the sum is 42.

The square root of 9923321355 is about 99615.8689918429. The cubic root of 9923321355 is about 2148.9139172899.

The spelling of 9923321355 in words is "nine billion, nine hundred twenty-three million, three hundred twenty-one thousand, three hundred fifty-five".