1123353053 has 4 divisors (see below), whose sum is σ = 1125267360. Its totient is φ = 1121438748.

The previous prime is 1123353043. The next prime is 1123353079. The reversal of 1123353053 is 3503533211.

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 a de Polignac number, because none of the positive numbers 2^k-1123353053 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 (1123353043) 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, 956273 + ... + 957446.

It is an arithmetic number, because the mean of its divisors is an integer number (281316840).

Almost surely, 2^1123353053 is an apocalyptic number.

It is an amenable number.

1123353053 is a deficient number, since it is larger than the sum of its proper divisors (1914307).

1123353053 is an equidigital number, since it uses as much as digits as its factorization.

1123353053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914306.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1123353053 is about 33516.4594341347. The cubic root of 1123353053 is about 1039.5341395402.

Adding to 1123353053 its reverse (3503533211), we get a palindrome (4626886264).

The spelling of 1123353053 in words is "one billion, one hundred twenty-three million, three hundred fifty-three thousand, fifty-three".