2044123143442 has 4 divisors (see below), whose sum is σ = 3066184715166. Its totient is φ = 1022061571720.

The previous prime is 2044123143431. The next prime is 2044123143451. The reversal of 2044123143442 is 2443413214402.

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

It can be written as a sum of positive squares in only one way, i.e., 1391600074921 + 652523068521 = 1179661^2 + 807789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2044123143398 and 2044123143407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511030785859 + ... + 511030785862.

Almost surely, 2^{2044123143442} is an apocalyptic number.

2044123143442 is a deficient number, since it is larger than the sum of its proper divisors (1022061571724).

2044123143442 is a wasteful number, since it uses less digits than its factorization.

2044123143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022061571723.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 2044123143442 its reverse (2443413214402), we get a palindrome (4487536357844).

The spelling of 2044123143442 in words is "two trillion, forty-four billion, one hundred twenty-three million, one hundred forty-three thousand, four hundred forty-two".