450021323523343 has 32 divisors (see below), whose sum is σ = 534918398414400. Its totient is φ = 373213785600000.

The previous prime is 450021323523313. The next prime is 450021323523347. The reversal of 450021323523343 is 343325323120054.

It is a cyclic number.

It is not a de Polignac number, because 450021323523343 - 2²⁵ = 450021289968911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450021323523296 and 450021323523305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450021323523347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31046658 + ... + 43173343.

It is an arithmetic number, because the mean of its divisors is an integer number (16716199950450).

Almost surely, 2^{450021323523343} is an apocalyptic number.

450021323523343 is a deficient number, since it is larger than the sum of its proper divisors (84897074891057).

450021323523343 is a wasteful number, since it uses less digits than its factorization.

450021323523343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74220523.

The product of its (nonzero) digits is 777600, while the sum is 40.

Adding to 450021323523343 its reverse (343325323120054), we get a palindrome (793346646643397).

The spelling of 450021323523343 in words is "four hundred fifty trillion, twenty-one billion, three hundred twenty-three million, five hundred twenty-three thousand, three hundred forty-three".