1120343523 has 16 divisors (see below), whose sum is σ = 1609896960. Its totient is φ = 688928544.

The previous prime is 1120343519. The next prime is 1120343551. The reversal of 1120343523 is 3253430211.

It is not a de Polignac number, because 1120343523 - 2² = 1120343519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120343493 and 1120343502.

It is not an unprimeable number, because it can be changed into a prime (1120343563) 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, 46140 + ... + 66102.

It is an arithmetic number, because the mean of its divisors is an integer number (100618560).

Almost surely, 2^1120343523 is an apocalyptic number.

1120343523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1120343523 is a deficient number, since it is larger than the sum of its proper divisors (489553437).

1120343523 is a wasteful number, since it uses less digits than its factorization.

1120343523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21418.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1120343523 is about 33471.5330243477. The cubic root of 1120343523 is about 1038.6049845854.

Adding to 1120343523 its reverse (3253430211), we get a palindrome (4373773734).

The spelling of 1120343523 in words is "one billion, one hundred twenty million, three hundred forty-three thousand, five hundred twenty-three".