1142441023 has 4 divisors (see below), whose sum is σ = 1163996568. Its totient is φ = 1120885480.

The previous prime is 1142441017. The next prime is 1142441029. The reversal of 1142441023 is 3201442411.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1142441017) and next prime (1142441029).

It is a cyclic number.

It is not a de Polignac number, because 1142441023 - 2⁵ = 1142440991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142440985 and 1142441003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142441029) 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, 10777693 + ... + 10777798.

It is an arithmetic number, because the mean of its divisors is an integer number (290999142).

Almost surely, 2^1142441023 is an apocalyptic number.

1142441023 is a deficient number, since it is larger than the sum of its proper divisors (21555545).

1142441023 is an equidigital number, since it uses as much as digits as its factorization.

1142441023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21555544.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1142441023 is about 33800.0151331327. The cubic root of 1142441023 is about 1045.3890092648.

Adding to 1142441023 its reverse (3201442411), we get a palindrome (4343883434).

The spelling of 1142441023 in words is "one billion, one hundred forty-two million, four hundred forty-one thousand, twenty-three".