1143103023 has 20 divisors (see below), whose sum is σ = 1797474360. Its totient is φ = 721958832.

The previous prime is 1143103019. The next prime is 1143103033. The reversal of 1143103023 is 3203013411.

It is not a de Polignac number, because 1143103023 - 2² = 1143103019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143102987 and 1143103005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143103033) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 369840 + ... + 372917.

It is an arithmetic number, because the mean of its divisors is an integer number (89873718).

Almost surely, 2^1143103023 is an apocalyptic number.

1143103023 is a deficient number, since it is larger than the sum of its proper divisors (654371337).

1143103023 is an equidigital number, since it uses as much as digits as its factorization.

1143103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742788 (or 742779 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1143103023 is about 33809.8066099172. The cubic root of 1143103023 is about 1045.5908909905.

Adding to 1143103023 its reverse (3203013411), we get a palindrome (4346116434).

The spelling of 1143103023 in words is "one billion, one hundred forty-three million, one hundred three thousand, twenty-three".