12453323553 has 48 divisors (see below), whose sum is σ = 19903453440. Its totient is φ = 7440076800.

The previous prime is 12453323543. The next prime is 12453323621. The reversal of 12453323553 is 35532335421.

12453323553 is a `hidden beast` number, since 1 + 24 + 53 + 32 + 3 + 553 = 666.

It is not a de Polignac number, because 12453323553 - 2⁶ = 12453323489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12453323543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9016923 + ... + 9018303.

It is an arithmetic number, because the mean of its divisors is an integer number (414655280).

Almost surely, 2^12453323553 is an apocalyptic number.

It is an amenable number.

12453323553 is a deficient number, since it is larger than the sum of its proper divisors (7450129887).

12453323553 is a wasteful number, since it uses less digits than its factorization.

12453323553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2627 counting only the distinct ones).

The product of its digits is 162000, while the sum is 36.

Adding to 12453323553 its reverse (35532335421), we get a palindrome (47985658974).

The spelling of 12453323553 in words is "twelve billion, four hundred fifty-three million, three hundred twenty-three thousand, five hundred fifty-three".