1123141530453 has 4 divisors (see below), whose sum is σ = 1497522040608. Its totient is φ = 748761020300.

The previous prime is 1123141530449. The next prime is 1123141530517. The reversal of 1123141530453 is 3540351413211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1123141530453 - 2² = 1123141530449 is a prime.

It is a super-2 number, since 2×1123141530453² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123141530403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187190255073 + ... + 187190255078.

It is an arithmetic number, because the mean of its divisors is an integer number (374380510152).

Almost surely, 2^{1123141530453} is an apocalyptic number.

It is an amenable number.

1123141530453 is a deficient number, since it is larger than the sum of its proper divisors (374380510155).

1123141530453 is an equidigital number, since it uses as much as digits as its factorization.

1123141530453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374380510154.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 1123141530453 its reverse (3540351413211), we get a palindrome (4663492943664).

The spelling of 1123141530453 in words is "one trillion, one hundred twenty-three billion, one hundred forty-one million, five hundred thirty thousand, four hundred fifty-three".