320453354023 has 4 divisors (see below), whose sum is σ = 349585477128. Its totient is φ = 291321230920.

The previous prime is 320453354017. The next prime is 320453354041.

320453354023 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 320453354023 - 2¹³ = 320453345831 is a prime.

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 320453354023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320453354063) 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, 14566061536 + ... + 14566061557.

It is an arithmetic number, because the mean of its divisors is an integer number (87396369282).

Almost surely, 2^320453354023 is an apocalyptic number.

320453354023 is a deficient number, since it is larger than the sum of its proper divisors (29132123105).

320453354023 is a wasteful number, since it uses less digits than its factorization.

320453354023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29132123104.

The product of its (nonzero) digits is 129600, while the sum is 34.

It can be divided in two parts, 320453 and 354023, that added together give a palindrome (674476).

The spelling of 320453354023 in words is "three hundred twenty billion, four hundred fifty-three million, three hundred fifty-four thousand, twenty-three".