1123423130443 has 8 divisors (see below), whose sum is σ = 1124347465728. Its totient is φ = 1122499025064.

The previous prime is 1123423130441. The next prime is 1123423130447. The reversal of 1123423130443 is 3440313243211.

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 1123423130443 - 2¹ = 1123423130441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123423130441) 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, 10508980 + ... + 10615342.

It is an arithmetic number, because the mean of its divisors is an integer number (140543433216).

Almost surely, 2^{1123423130443} is an apocalyptic number.

1123423130443 is a deficient number, since it is larger than the sum of its proper divisors (924335285).

1123423130443 is a wasteful number, since it uses less digits than its factorization.

1123423130443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114953.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1123423130443 its reverse (3440313243211), we get a palindrome (4563736373654).

The spelling of 1123423130443 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-three million, one hundred thirty thousand, four hundred forty-three".