1023123442443 has 4 divisors (see below), whose sum is σ = 1364164589928. Its totient is φ = 682082294960.

The previous prime is 1023123442409. The next prime is 1023123442457. The reversal of 1023123442443 is 3442443213201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023123442443 - 2⁶ = 1023123442379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023123442343) 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, 170520573738 + ... + 170520573743.

It is an arithmetic number, because the mean of its divisors is an integer number (341041147482).

Almost surely, 2^{1023123442443} is an apocalyptic number.

1023123442443 is a deficient number, since it is larger than the sum of its proper divisors (341041147485).

1023123442443 is an equidigital number, since it uses as much as digits as its factorization.

1023123442443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341041147484.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1023123442443 its reverse (3442443213201), we get a palindrome (4465566655644).

The spelling of 1023123442443 in words is "one trillion, twenty-three billion, one hundred twenty-three million, four hundred forty-two thousand, four hundred forty-three".