450423532501503 has 16 divisors (see below), whose sum is σ = 655205707477632. Its totient is φ = 272965540068000.

The previous prime is 450423532501409. The next prime is 450423532501567. The reversal of 450423532501503 is 305105235324054.

It is not a de Polignac number, because 450423532501503 - 2²⁰ = 450423531452927 is a prime.

It is a super-2 number, since 2×450423532501503² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450423532501303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459979093 + ... + 460957278.

It is an arithmetic number, because the mean of its divisors is an integer number (40950356717352).

Almost surely, 2^{450423532501503} is an apocalyptic number.

450423532501503 is a deficient number, since it is larger than the sum of its proper divisors (204782174976129).

450423532501503 is a wasteful number, since it uses less digits than its factorization.

450423532501503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920951206.

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 450423532501503 its reverse (305105235324054), we get a palindrome (755528767825557).

The spelling of 450423532501503 in words is "four hundred fifty trillion, four hundred twenty-three billion, five hundred thirty-two million, five hundred one thousand, five hundred three".