1223969053 has 2 divisors, whose sum is σ = 1223969054. Its totient is φ = 1223969052.

The previous prime is 1223969039. The next prime is 1223969069. The reversal of 1223969053 is 3509693221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1204228804 + 19740249 = 34702^2 + 4443^2 .

It is an emirp because it is prime and its reverse (3509693221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223969053 - 2¹³ = 1223960861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223968997 and 1223969015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223969003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611984526 + 611984527.

It is an arithmetic number, because the mean of its divisors is an integer number (611984527).

Almost surely, 2^1223969053 is an apocalyptic number.

It is an amenable number.

1223969053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223969053 is an equidigital number, since it uses as much as digits as its factorization.

1223969053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 1223969053 is about 34985.2690857166. The cubic root of 1223969053 is about 1069.6872329514.

The spelling of 1223969053 in words is "one billion, two hundred twenty-three million, nine hundred sixty-nine thousand, fifty-three".