1225303452623 has 2 divisors, whose sum is σ = 1225303452624. Its totient is φ = 1225303452622.

The previous prime is 1225303452613. The next prime is 1225303452689. The reversal of 1225303452623 is 3262543035221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3262543035221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1225303452623 - 2³⁴ = 1208123583439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225303452613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612651726311 + 612651726312.

It is an arithmetic number, because the mean of its divisors is an integer number (612651726312).

Almost surely, 2^{1225303452623} is an apocalyptic number.

1225303452623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225303452623 is an equidigital number, since it uses as much as digits as its factorization.

1225303452623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 1225303452623 its reverse (3262543035221), we get a palindrome (4487846487844).

The spelling of 1225303452623 in words is "one trillion, two hundred twenty-five billion, three hundred three million, four hundred fifty-two thousand, six hundred twenty-three".