1225434323 has 2 divisors, whose sum is σ = 1225434324. Its totient is φ = 1225434322.

The previous prime is 1225434289. The next prime is 1225434361. The reversal of 1225434323 is 3234345221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3234345221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1225434323 - 2²⁶ = 1158325459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225434373) 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, 612717161 + 612717162.

It is an arithmetic number, because the mean of its divisors is an integer number (612717162).

Almost surely, 2^1225434323 is an apocalyptic number.

1225434323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225434323 is an equidigital number, since it uses as much as digits as its factorization.

1225434323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 1225434323 is about 35006.2040644226. The cubic root of 1225434323 is about 1070.1139200920.

Adding to 1225434323 its reverse (3234345221), we get a palindrome (4459779544).

The spelling of 1225434323 in words is "one billion, two hundred twenty-five million, four hundred thirty-four thousand, three hundred twenty-three".