1173342563 has 2 divisors, whose sum is σ = 1173342564. Its totient is φ = 1173342562.

The previous prime is 1173342509. The next prime is 1173342613. The reversal of 1173342563 is 3652433711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1173342563 - 2⁸ = 1173342307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1173342463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586671281 + 586671282.

It is an arithmetic number, because the mean of its divisors is an integer number (586671282).

Almost surely, 2^1173342563 is an apocalyptic number.

1173342563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173342563 is an equidigital number, since it uses as much as digits as its factorization.

1173342563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 1173342563 is about 34254.0882669500. The cubic root of 1173342563 is about 1054.7307513528.

The spelling of 1173342563 in words is "one billion, one hundred seventy-three million, three hundred forty-two thousand, five hundred sixty-three".