1355809223 has 2 divisors, whose sum is σ = 1355809224. Its totient is φ = 1355809222.

The previous prime is 1355809193. The next prime is 1355809229. The reversal of 1355809223 is 3229085531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355809223 - 2¹⁴ = 1355792839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355809229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677904611 + 677904612.

It is an arithmetic number, because the mean of its divisors is an integer number (677904612).

Almost surely, 2^1355809223 is an apocalyptic number.

1355809223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355809223 is an equidigital number, since it uses as much as digits as its factorization.

1355809223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1355809223 is about 36821.3147918431. The cubic root of 1355809223 is about 1106.7924670804.

The spelling of 1355809223 in words is "one billion, three hundred fifty-five million, eight hundred nine thousand, two hundred twenty-three".