1223053529 has 2 divisors, whose sum is σ = 1223053530. Its totient is φ = 1223053528.

The previous prime is 1223053523. The next prime is 1223053547. The reversal of 1223053529 is 9253503221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1222201600 + 851929 = 34960^2 + 923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223053529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223053495 and 1223053504.

It is not a weakly prime, because it can be changed into another prime (1223053523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611526764 + 611526765.

It is an arithmetic number, because the mean of its divisors is an integer number (611526765).

Almost surely, 2^1223053529 is an apocalyptic number.

It is an amenable number.

1223053529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223053529 is an equidigital number, since it uses as much as digits as its factorization.

1223053529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1223053529 is about 34972.1822167276. The cubic root of 1223053529 is about 1069.4204591550.

The spelling of 1223053529 in words is "one billion, two hundred twenty-three million, fifty-three thousand, five hundred twenty-nine".