450123233223 has 16 divisors (see below), whose sum is σ = 611330924160. Its totient is φ = 294550308576.

The previous prime is 450123233159. The next prime is 450123233227. The reversal of 450123233223 is 322332321054.

It is a happy number.

It is not a de Polignac number, because 450123233223 - 2⁶ = 450123233159 is a prime.

It is a super-2 number, since 2×450123233223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450123233227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6397365 + ... + 6467342.

It is an arithmetic number, because the mean of its divisors is an integer number (38208182760).

Almost surely, 2^450123233223 is an apocalyptic number.

450123233223 is a deficient number, since it is larger than the sum of its proper divisors (161207690937).

450123233223 is a wasteful number, since it uses less digits than its factorization.

450123233223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12864926.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 450123233223 its reverse (322332321054), we get a palindrome (772455554277).

The spelling of 450123233223 in words is "four hundred fifty billion, one hundred twenty-three million, two hundred thirty-three thousand, two hundred twenty-three".