1123143315 has 32 divisors (see below), whose sum is σ = 2055046656. Its totient is φ = 513112320.

The previous prime is 1123143289. The next prime is 1123143317. The reversal of 1123143315 is 5133413211.

It is not a de Polignac number, because 1123143315 - 2¹² = 1123139219 is a prime.

It is a super-2 number, since 2×1123143315² = 2522901812058378450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123143317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262584 + ... + 266826.

It is an arithmetic number, because the mean of its divisors is an integer number (64220208).

Almost surely, 2^1123143315 is an apocalyptic number.

1123143315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1123143315 is a deficient number, since it is larger than the sum of its proper divisors (931903341).

1123143315 is a wasteful number, since it uses less digits than its factorization.

1123143315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779.

The product of its digits is 1080, while the sum is 24.

The square root of 1123143315 is about 33513.3304074662. The cubic root of 1123143315 is about 1039.4694393757.

Adding to 1123143315 its reverse (5133413211), we get a palindrome (6256556526).

The spelling of 1123143315 in words is "one billion, one hundred twenty-three million, one hundred forty-three thousand, three hundred fifteen".