20211032323 has 4 divisors (see below), whose sum is σ = 20214781200. Its totient is φ = 20207283448.

The previous prime is 20211032299. The next prime is 20211032341. The reversal of 20211032323 is 32323011202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32323011202 = 2 ⋅16161505601.

It is a cyclic number.

It is not a de Polignac number, because 20211032323 - 2²⁵ = 20177477891 is a prime.

It is a super-2 number, since 2×20211032323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20211032323.

It is not an unprimeable number, because it can be changed into a prime (20211032353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866340 + ... + 1877137.

It is an arithmetic number, because the mean of its divisors is an integer number (5053695300).

Almost surely, 2^20211032323 is an apocalyptic number.

20211032323 is a deficient number, since it is larger than the sum of its proper divisors (3748877).

20211032323 is an equidigital number, since it uses as much as digits as its factorization.

20211032323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748876.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20211032323 its reverse (32323011202), we get a palindrome (52534043525).

The spelling of 20211032323 in words is "twenty billion, two hundred eleven million, thirty-two thousand, three hundred twenty-three".