1065961723 has 2 divisors, whose sum is σ = 1065961724. Its totient is φ = 1065961722.

The previous prime is 1065961717. The next prime is 1065961733. The reversal of 1065961723 is 3271695601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1065961723 - 2¹⁷ = 1065830651 is a prime.

It is a super-2 number, since 2×1065961723² = 2272548789802257458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1065961733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532980861 + 532980862.

It is an arithmetic number, because the mean of its divisors is an integer number (532980862).

Almost surely, 2^1065961723 is an apocalyptic number.

1065961723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065961723 is an equidigital number, since it uses as much as digits as its factorization.

1065961723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1065961723 is about 32649.0692516647. The cubic root of 1065961723 is about 1021.5207748459.

The spelling of 1065961723 in words is "one billion, sixty-five million, nine hundred sixty-one thousand, seven hundred twenty-three".