1042244023 has 4 divisors (see below), whose sum is σ = 1053954720. Its totient is φ = 1030533328.

The previous prime is 1042243967. The next prime is 1042244033. The reversal of 1042244023 is 3204422401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204422401 = 18517 ⋅173053.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042244023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042243985 and 1042244003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042244033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5855215 + ... + 5855392.

It is an arithmetic number, because the mean of its divisors is an integer number (263488680).

Almost surely, 2^1042244023 is an apocalyptic number.

1042244023 is a deficient number, since it is larger than the sum of its proper divisors (11710697).

1042244023 is an equidigital number, since it uses as much as digits as its factorization.

1042244023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710696.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1042244023 is about 32283.8043452131. The cubic root of 1042244023 is about 1013.8875832228.

Adding to 1042244023 its reverse (3204422401), we get a palindrome (4246666424).

It can be divided in two parts, 10422 and 44023, that added together give a palindrome (54445).

The spelling of 1042244023 in words is "one billion, forty-two million, two hundred forty-four thousand, twenty-three".