20203322323 has 4 divisors (see below), whose sum is σ = 20899988640. Its totient is φ = 19506656008.

The previous prime is 20203322317. The next prime is 20203322339. The reversal of 20203322323 is 32322330202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32322330202 = 2 ⋅16161165101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20203322323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203322294 and 20203322303.

It is not an unprimeable number, because it can be changed into a prime (20203323323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348333115 + ... + 348333172.

It is an arithmetic number, because the mean of its divisors is an integer number (5224997160).

Almost surely, 2^20203322323 is an apocalyptic number.

20203322323 is a deficient number, since it is larger than the sum of its proper divisors (696666317).

20203322323 is an equidigital number, since it uses as much as digits as its factorization.

20203322323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696666316.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 20203322323 its reverse (32322330202), we get a palindrome (52525652525).

The spelling of 20203322323 in words is "twenty billion, two hundred three million, three hundred twenty-two thousand, three hundred twenty-three".