11123324453 has 4 divisors (see below), whose sum is σ = 11123973120. Its totient is φ = 11122675788.

The previous prime is 11123324449. The next prime is 11123324473. The reversal of 11123324453 is 35442332111.

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 11123324453 - 2² = 11123324449 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 (11123324473) 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, 297893 + ... + 333146.

It is an arithmetic number, because the mean of its divisors is an integer number (2780993280).

Almost surely, 2^11123324453 is an apocalyptic number.

It is an amenable number.

11123324453 is a deficient number, since it is larger than the sum of its proper divisors (648667).

11123324453 is an equidigital number, since it uses as much as digits as its factorization.

11123324453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648666.

The product of its digits is 8640, while the sum is 29.

Adding to 11123324453 its reverse (35442332111), we get a palindrome (46565656564).

The spelling of 11123324453 in words is "eleven billion, one hundred twenty-three million, three hundred twenty-four thousand, four hundred fifty-three".