1123314543 has 48 divisors (see below), whose sum is σ = 1811287296. Its totient is φ = 666178560.

The previous prime is 1123314539. The next prime is 1123314553. The reversal of 1123314543 is 3454133211.

It is a happy number.

1123314543 is a `hidden beast` number, since 112 + 3 + 3 + 1 + 4 + 543 = 666.

It is not a de Polignac number, because 1123314543 - 2² = 1123314539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123314553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1149271 + ... + 1150247.

It is an arithmetic number, because the mean of its divisors is an integer number (37735152).

Almost surely, 2^1123314543 is an apocalyptic number.

1123314543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1123314543 is a deficient number, since it is larger than the sum of its proper divisors (687972753).

1123314543 is a wasteful number, since it uses less digits than its factorization.

1123314543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1341 counting only the distinct ones).

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

The square root of 1123314543 is about 33515.8849353557. The cubic root of 1123314543 is about 1039.5222605448.

Adding to 1123314543 its reverse (3454133211), we get a palindrome (4577447754).

The spelling of 1123314543 in words is "one billion, one hundred twenty-three million, three hundred fourteen thousand, five hundred forty-three".