450621222323 has 4 divisors (see below), whose sum is σ = 452491020168. Its totient is φ = 448751424480.

The previous prime is 450621222319. The next prime is 450621222367. The reversal of 450621222323 is 323222126054.

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 450621222323 - 2² = 450621222319 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 450621222323.

It is not an unprimeable number, because it can be changed into a prime (450621222923) 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, 934898561 + ... + 934899042.

It is an arithmetic number, because the mean of its divisors is an integer number (113122755042).

Almost surely, 2^450621222323 is an apocalyptic number.

450621222323 is a deficient number, since it is larger than the sum of its proper divisors (1869797845).

450621222323 is a wasteful number, since it uses less digits than its factorization.

450621222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869797844.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 450621222323 its reverse (323222126054), we get a palindrome (773843348377).

The spelling of 450621222323 in words is "four hundred fifty billion, six hundred twenty-one million, two hundred twenty-two thousand, three hundred twenty-three".