1365441223 has 2 divisors, whose sum is σ = 1365441224. Its totient is φ = 1365441222.

The previous prime is 1365441197. The next prime is 1365441239. The reversal of 1365441223 is 3221445631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1365441223 - 2¹³ = 1365433031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1365442223) 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, 682720611 + 682720612.

It is an arithmetic number, because the mean of its divisors is an integer number (682720612).

Almost surely, 2^1365441223 is an apocalyptic number.

1365441223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365441223 is an equidigital number, since it uses as much as digits as its factorization.

1365441223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 1365441223 is about 36951.8771241733. The cubic root of 1365441223 is about 1109.4072594870.

Adding to 1365441223 its reverse (3221445631), we get a palindrome (4586886854).

The spelling of 1365441223 in words is "one billion, three hundred sixty-five million, four hundred forty-one thousand, two hundred twenty-three".