1355251223 has 2 divisors, whose sum is σ = 1355251224. Its totient is φ = 1355251222.

The previous prime is 1355251201. The next prime is 1355251243. The reversal of 1355251223 is 3221525531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355251223 - 2¹⁸ = 1354989079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355251243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677625611 + 677625612.

It is an arithmetic number, because the mean of its divisors is an integer number (677625612).

Almost surely, 2^1355251223 is an apocalyptic number.

1355251223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355251223 is an equidigital number, since it uses as much as digits as its factorization.

1355251223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 1355251223 is about 36813.7368790510. The cubic root of 1355251223 is about 1106.6406082173.

Adding to 1355251223 its reverse (3221525531), we get a palindrome (4576776754).

The spelling of 1355251223 in words is "one billion, three hundred fifty-five million, two hundred fifty-one thousand, two hundred twenty-three".