1143303432453 has 96 divisors (see below), whose sum is σ = 2099548878336. Its totient is φ = 583367837184.

The previous prime is 1143303432437. The next prime is 1143303432529. The reversal of 1143303432453 is 3542343033411.

1143303432453 is a `hidden beast` number, since 1 + 1 + 43 + 30 + 343 + 245 + 3 = 666.

It is not a de Polignac number, because 1143303432453 - 2⁴ = 1143303432437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143303432433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5133376 + ... + 5351462.

It is an arithmetic number, because the mean of its divisors is an integer number (21870300816).

Almost surely, 2^{1143303432453} is an apocalyptic number.

1143303432453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1143303432453 is a deficient number, since it is larger than the sum of its proper divisors (956245445883).

1143303432453 is a wasteful number, since it uses less digits than its factorization.

1143303432453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218323 (or 218320 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 1143303432453 its reverse (3542343033411), we get a palindrome (4685646465864).

The spelling of 1143303432453 in words is "one trillion, one hundred forty-three billion, three hundred three million, four hundred thirty-two thousand, four hundred fifty-three".