1253003230453 has 8 divisors (see below), whose sum is σ = 1349501626368. Its totient is φ = 1156521053424.

The previous prime is 1253003230393. The next prime is 1253003230481. The reversal of 1253003230453 is 3540323003521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253003230453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253003230483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3894025 + ... + 4203502.

It is an arithmetic number, because the mean of its divisors is an integer number (168687703296).

Almost surely, 2^{1253003230453} is an apocalyptic number.

1253003230453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1253003230453 is a deficient number, since it is larger than the sum of its proper divisors (96498395915).

1253003230453 is a wasteful number, since it uses less digits than its factorization.

1253003230453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109443.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 1253003230453 its reverse (3540323003521), we get a palindrome (4793326233974).

The spelling of 1253003230453 in words is "one trillion, two hundred fifty-three billion, three million, two hundred thirty thousand, four hundred fifty-three".