1165023473 has 2 divisors, whose sum is σ = 1165023474. Its totient is φ = 1165023472.

The previous prime is 1165023449. The next prime is 1165023521. The reversal of 1165023473 is 3743205611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694480609 + 470542864 = 26353^2 + 21692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165023473 - 2¹⁸ = 1164761329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1165023173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582511736 + 582511737.

It is an arithmetic number, because the mean of its divisors is an integer number (582511737).

Almost surely, 2^1165023473 is an apocalyptic number.

It is an amenable number.

1165023473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165023473 is an equidigital number, since it uses as much as digits as its factorization.

1165023473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1165023473 is about 34132.4401852548. The cubic root of 1165023473 is about 1052.2321291962.

The spelling of 1165023473 in words is "one billion, one hundred sixty-five million, twenty-three thousand, four hundred seventy-three".