1085366123 has 2 divisors, whose sum is σ = 1085366124. Its totient is φ = 1085366122.

The previous prime is 1085366119. The next prime is 1085366129. The reversal of 1085366123 is 3216635801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1085366123 - 2² = 1085366119 is a prime.

It is a super-2 number, since 2×1085366123² = 2356039241912102258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1085366129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542683061 + 542683062.

It is an arithmetic number, because the mean of its divisors is an integer number (542683062).

Almost surely, 2^1085366123 is an apocalyptic number.

1085366123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085366123 is an equidigital number, since it uses as much as digits as its factorization.

1085366123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1085366123 is about 32944.8952494920. The cubic root of 1085366123 is about 1027.6820098163.

The spelling of 1085366123 in words is "one billion, eighty-five million, three hundred sixty-six thousand, one hundred twenty-three".