453531012523 has 4 divisors (see below), whose sum is σ = 453532379560. Its totient is φ = 453529645488.

The previous prime is 453531012511. The next prime is 453531012577. The reversal of 453531012523 is 325210135354.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453531012523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453531112523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166408 + ... + 966826.

It is an arithmetic number, because the mean of its divisors is an integer number (113383094890).

Almost surely, 2^453531012523 is an apocalyptic number.

453531012523 is a deficient number, since it is larger than the sum of its proper divisors (1367037).

453531012523 is an equidigital number, since it uses as much as digits as its factorization.

453531012523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367036.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 453531012523 its reverse (325210135354), we get a palindrome (778741147877).

The spelling of 453531012523 in words is "four hundred fifty-three billion, five hundred thirty-one million, twelve thousand, five hundred twenty-three".