1123053047 has 2 divisors, whose sum is σ = 1123053048. Its totient is φ = 1123053046.

The previous prime is 1123052989. The next prime is 1123053049. The reversal of 1123053047 is 7403503211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123053047 is a prime.

It is a super-2 number, since 2×1123053047² = 2522496292751968418, which contains 22 as substring.

Together with 1123053049, 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 (1123053049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561526523 + 561526524.

It is an arithmetic number, because the mean of its divisors is an integer number (561526524).

Almost surely, 2^1123053047 is an apocalyptic number.

1123053047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123053047 is an equidigital number, since it uses as much as digits as its factorization.

1123053047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1123053047 is about 33511.9836327246. The cubic root of 1123053047 is about 1039.4415909435.

Adding to 1123053047 its reverse (7403503211), we get a palindrome (8526556258).

The spelling of 1123053047 in words is "one billion, one hundred twenty-three million, fifty-three thousand, forty-seven".