1123144353 has 16 divisors (see below), whose sum is σ = 1717593600. Its totient is φ = 724608720.

The previous prime is 1123144331. The next prime is 1123144357. The reversal of 1123144353 is 3534413211.

It is a happy number.

It is not a de Polignac number, because 1123144353 - 2⁹ = 1123143841 is a prime.

It is a super-2 number, since 2×1123144353² = 2522906475351577218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1123144357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670098 + ... + 671771.

It is an arithmetic number, because the mean of its divisors is an integer number (107349600).

Almost surely, 2^1123144353 is an apocalyptic number.

It is an amenable number.

1123144353 is a deficient number, since it is larger than the sum of its proper divisors (594449247).

1123144353 is a wasteful number, since it uses less digits than its factorization.

1123144353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341909 (or 1341903 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1123144353 is about 33513.3458938376. The cubic root of 1123144353 is about 1039.4697595987.

Adding to 1123144353 its reverse (3534413211), we get a palindrome (4657557564).

The spelling of 1123144353 in words is "one billion, one hundred twenty-three million, one hundred forty-four thousand, three hundred fifty-three".