1234143047 has 2 divisors, whose sum is σ = 1234143048. Its totient is φ = 1234143046.

The previous prime is 1234143023. The next prime is 1234143049. The reversal of 1234143047 is 7403414321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234143047 is a prime.

Together with 1234143049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234143049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617071523 + 617071524.

It is an arithmetic number, because the mean of its divisors is an integer number (617071524).

Almost surely, 2^1234143047 is an apocalyptic number.

1234143047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234143047 is an equidigital number, since it uses as much as digits as its factorization.

1234143047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1234143047 is about 35130.3721443426. The cubic root of 1234143047 is about 1072.6429111004.

Adding to 1234143047 its reverse (7403414321), we get a palindrome (8637557368).

The spelling of 1234143047 in words is "one billion, two hundred thirty-four million, one hundred forty-three thousand, forty-seven".