1123402412343 has 8 divisors (see below), whose sum is σ = 1526131579248. Its totient is φ = 734804093504.

The previous prime is 1123402412303. The next prime is 1123402412359. The reversal of 1123402412343 is 3432142043211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123402412343 - 2²⁰ = 1123401363767 is a prime.

It is a super-3 number, since 3×1123402412343³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123402412343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123402412303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3532711830 + ... + 3532712147.

It is an arithmetic number, because the mean of its divisors is an integer number (190766447406).

Almost surely, 2^{1123402412343} is an apocalyptic number.

1123402412343 is a deficient number, since it is larger than the sum of its proper divisors (402729166905).

1123402412343 is an equidigital number, since it uses as much as digits as its factorization.

1123402412343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065424033.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1123402412343 its reverse (3432142043211), we get a palindrome (4555544455554).

The spelling of 1123402412343 in words is "one trillion, one hundred twenty-three billion, four hundred two million, four hundred twelve thousand, three hundred forty-three".