1356423533 has 2 divisors, whose sum is σ = 1356423534. Its totient is φ = 1356423532.

The previous prime is 1356423529. The next prime is 1356423539. The reversal of 1356423533 is 3353246531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1354387204 + 2036329 = 36802^2 + 1427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356423533 - 2² = 1356423529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1356423493 and 1356423502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356423539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678211766 + 678211767.

It is an arithmetic number, because the mean of its divisors is an integer number (678211767).

Almost surely, 2^1356423533 is an apocalyptic number.

It is an amenable number.

1356423533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356423533 is an equidigital number, since it uses as much as digits as its factorization.

1356423533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 35.

The square root of 1356423533 is about 36829.6556188081. The cubic root of 1356423533 is about 1106.9596024478.

The spelling of 1356423533 in words is "one billion, three hundred fifty-six million, four hundred twenty-three thousand, five hundred thirty-three".