1203532134453 has 80 divisors (see below), whose sum is σ = 2081490276096. Its totient is φ = 684917544960.

The previous prime is 1203532134437. The next prime is 1203532134457. The reversal of 1203532134453 is 3544312353021.

1203532134453 is a `hidden beast` number, since 1 + 2 + 0 + 353 + 213 + 44 + 53 = 666.

It is not a de Polignac number, because 1203532134453 - 2⁴ = 1203532134437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203532134457) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6466900 + ... + 6650402.

Almost surely, 2^{1203532134453} is an apocalyptic number.

It is an amenable number.

1203532134453 is a deficient number, since it is larger than the sum of its proper divisors (877958141643).

1203532134453 is a wasteful number, since it uses less digits than its factorization.

1203532134453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183976 (or 183967 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 1203532134453 its reverse (3544312353021), we get a palindrome (4747844487474).

The spelling of 1203532134453 in words is "one trillion, two hundred three billion, five hundred thirty-two million, one hundred thirty-four thousand, four hundred fifty-three".