1143023047 has 2 divisors, whose sum is σ = 1143023048. Its totient is φ = 1143023046.

The previous prime is 1143023029. The next prime is 1143023053. The reversal of 1143023047 is 7403203411.

It is a strong prime.

It is an emirp because it is prime and its reverse (7403203411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143023047 - 2²³ = 1134634439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143023017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571511523 + 571511524.

It is an arithmetic number, because the mean of its divisors is an integer number (571511524).

Almost surely, 2^1143023047 is an apocalyptic number.

1143023047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143023047 is an equidigital number, since it uses as much as digits as its factorization.

1143023047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1143023047 is about 33808.6238554603. The cubic root of 1143023047 is about 1045.5665058663.

Adding to 1143023047 its reverse (7403203411), we get a palindrome (8546226458).

The spelling of 1143023047 in words is "one billion, one hundred forty-three million, twenty-three thousand, forty-seven".