450423523 has 16 divisors (see below), whose sum is σ = 503395200. Its totient is φ = 399559680.

The previous prime is 450423511. The next prime is 450423527. The reversal of 450423523 is 325324054.

It is a cyclic number.

It is not a de Polignac number, because 450423523 - 2⁹ = 450423011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450423491 and 450423500.

It is not an unprimeable number, because it can be changed into a prime (450423527) 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 15 ways as a sum of consecutive naturals, for example, 87715 + ... + 92707.

It is an arithmetic number, because the mean of its divisors is an integer number (31462200).

Almost surely, 2^450423523 is an apocalyptic number.

450423523 is a deficient number, since it is larger than the sum of its proper divisors (52971677).

450423523 is a wasteful number, since it uses less digits than its factorization.

450423523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 450423523 is about 21223.1836207483. The cubic root of 450423523 is about 766.5497641750.

Adding to 450423523 its reverse (325324054), we get a palindrome (775747577).

The spelling of 450423523 in words is "four hundred fifty million, four hundred twenty-three thousand, five hundred twenty-three".