1223034457 has 2 divisors, whose sum is σ = 1223034458. Its totient is φ = 1223034456.

The previous prime is 1223034443. The next prime is 1223034467. The reversal of 1223034457 is 7544303221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1187560521 + 35473936 = 34461^2 + 5956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223034457 - 2¹¹ = 1223032409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223034467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611517228 + 611517229.

It is an arithmetic number, because the mean of its divisors is an integer number (611517229).

Almost surely, 2^1223034457 is an apocalyptic number.

It is an amenable number.

1223034457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223034457 is an equidigital number, since it uses as much as digits as its factorization.

1223034457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 1223034457 is about 34971.9095418023. The cubic root of 1223034457 is about 1069.4149003650.

Adding to 1223034457 its reverse (7544303221), we get a palindrome (8767337678).

The spelling of 1223034457 in words is "one billion, two hundred twenty-three million, thirty-four thousand, four hundred fifty-seven".