1366553423 has 2 divisors, whose sum is σ = 1366553424. Its totient is φ = 1366553422.

The previous prime is 1366553407. The next prime is 1366553429. The reversal of 1366553423 is 3243556631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1366553423 - 2⁴ = 1366553407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366553429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683276711 + 683276712.

It is an arithmetic number, because the mean of its divisors is an integer number (683276712).

Almost surely, 2^1366553423 is an apocalyptic number.

1366553423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366553423 is an equidigital number, since it uses as much as digits as its factorization.

1366553423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 38.

The square root of 1366553423 is about 36966.9233640020. The cubic root of 1366553423 is about 1109.7083948443.

The spelling of 1366553423 in words is "one billion, three hundred sixty-six million, five hundred fifty-three thousand, four hundred twenty-three".