1123234253 has 4 divisors (see below), whose sum is σ = 1159467648. Its totient is φ = 1087000860.

The previous prime is 1123234249. The next prime is 1123234289. The reversal of 1123234253 is 3524323211.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3524323211 = 9931 ⋅354881.

It is a cyclic number.

It is not a de Polignac number, because 1123234253 - 2² = 1123234249 is a prime.

It is a super-2 number, since 2×1123234253² = 2523310374224936018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123234213) 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, 18116651 + ... + 18116712.

It is an arithmetic number, because the mean of its divisors is an integer number (289866912).

Almost surely, 2^1123234253 is an apocalyptic number.

It is an amenable number.

1123234253 is a deficient number, since it is larger than the sum of its proper divisors (36233395).

1123234253 is an equidigital number, since it uses as much as digits as its factorization.

1123234253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36233394.

The product of its digits is 4320, while the sum is 26.

The square root of 1123234253 is about 33514.6871237074. The cubic root of 1123234253 is about 1039.4974929997.

Adding to 1123234253 its reverse (3524323211), we get a palindrome (4647557464).

The spelling of 1123234253 in words is "one billion, one hundred twenty-three million, two hundred thirty-four thousand, two hundred fifty-three".