450105200523 has 24 divisors (see below), whose sum is σ = 709344236016. Its totient is φ = 272757355200.

The previous prime is 450105200453. The next prime is 450105200527. The reversal of 450105200523 is 325002501054.

It is a happy number.

450105200523 is a `hidden beast` number, since 450 + 1 + 0 + 5 + 200 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 450105200523 - 2⁸ = 450105200267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450105200527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537361 + ... + 1090397.

It is an arithmetic number, because the mean of its divisors is an integer number (29556009834).

Almost surely, 2^450105200523 is an apocalyptic number.

450105200523 is a deficient number, since it is larger than the sum of its proper divisors (259239035493).

450105200523 is a wasteful number, since it uses less digits than its factorization.

450105200523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561275 (or 561272 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 450105200523 its reverse (325002501054), we get a palindrome (775107701577).

The spelling of 450105200523 in words is "four hundred fifty billion, one hundred five million, two hundred thousand, five hundred twenty-three".