20210922323 has 4 divisors (see below), whose sum is σ = 20215692168. Its totient is φ = 20206152480.

The previous prime is 20210922317. The next prime is 20210922343. The reversal of 20210922323 is 32322901202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210922323 is a prime.

It is a super-2 number, since 2×20210922323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210922292 and 20210922301.

It is not an unprimeable number, because it can be changed into a prime (20210922343) 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 3 ways as a sum of consecutive naturals, for example, 2378561 + ... + 2387042.

It is an arithmetic number, because the mean of its divisors is an integer number (5053923042).

Almost surely, 2^20210922323 is an apocalyptic number.

20210922323 is a deficient number, since it is larger than the sum of its proper divisors (4769845).

20210922323 is an equidigital number, since it uses as much as digits as its factorization.

20210922323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769844.

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

The spelling of 20210922323 in words is "twenty billion, two hundred ten million, nine hundred twenty-two thousand, three hundred twenty-three".