322143202453 has 4 divisors (see below), whose sum is σ = 322244159328. Its totient is φ = 322042245580.

The previous prime is 322143202399. The next prime is 322143202523. The reversal of 322143202453 is 354202341223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354202341223 = 563 ⋅629133821.

It is a cyclic number.

It is not a de Polignac number, because 322143202453 - 2³³ = 313553267861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322143202553) 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, 50473651 + ... + 50480032.

It is an arithmetic number, because the mean of its divisors is an integer number (80561039832).

Almost surely, 2^322143202453 is an apocalyptic number.

It is an amenable number.

322143202453 is a deficient number, since it is larger than the sum of its proper divisors (100956875).

322143202453 is a wasteful number, since it uses less digits than its factorization.

322143202453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100956874.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 322143202453 its reverse (354202341223), we get a palindrome (676345543676).

The spelling of 322143202453 in words is "three hundred twenty-two billion, one hundred forty-three million, two hundred two thousand, four hundred fifty-three".