1123134140343 has 4 divisors (see below), whose sum is σ = 1497512187128. Its totient is φ = 748756093560.

The previous prime is 1123134140309. The next prime is 1123134140377. The reversal of 1123134140343 is 3430414313211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1123134140309) and next prime (1123134140377).

It is not a de Polignac number, because 1123134140343 - 2¹⁶ = 1123134074807 is a prime.

It is a super-2 number, since 2×1123134140343² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123134140343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123134140383) 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, 187189023388 + ... + 187189023393.

It is an arithmetic number, because the mean of its divisors is an integer number (374378046782).

Almost surely, 2^{1123134140343} is an apocalyptic number.

1123134140343 is a deficient number, since it is larger than the sum of its proper divisors (374378046785).

1123134140343 is an equidigital number, since it uses as much as digits as its factorization.

1123134140343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374378046784.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 1123134140343 its reverse (3430414313211), we get a palindrome (4553548453554).

The spelling of 1123134140343 in words is "one trillion, one hundred twenty-three billion, one hundred thirty-four million, one hundred forty thousand, three hundred forty-three".