1223053547 has 2 divisors, whose sum is σ = 1223053548. Its totient is φ = 1223053546.

The previous prime is 1223053529. The next prime is 1223053591. The reversal of 1223053547 is 7453503221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223053547 - 2⁶ = 1223053483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223050547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611526773 + 611526774.

It is an arithmetic number, because the mean of its divisors is an integer number (611526774).

Almost surely, 2^1223053547 is an apocalyptic number.

1223053547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223053547 is an equidigital number, since it uses as much as digits as its factorization.

1223053547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 1223053547 is about 34972.1824740750. The cubic root of 1223053547 is about 1069.4204644013.

Adding to 1223053547 its reverse (7453503221), we get a palindrome (8676556768).

The spelling of 1223053547 in words is "one billion, two hundred twenty-three million, fifty-three thousand, five hundred forty-seven".