1065388123 has 2 divisors, whose sum is σ = 1065388124. Its totient is φ = 1065388122.

The previous prime is 1065388063. The next prime is 1065388153. The reversal of 1065388123 is 3218835601.

It is a strong prime.

It is an emirp because it is prime and its reverse (3218835601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1065388123 - 2⁹ = 1065387611 is a prime.

It is a super-2 number, since 2×1065388123² = 2270103705258926258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1065388153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532694061 + 532694062.

It is an arithmetic number, because the mean of its divisors is an integer number (532694062).

Almost surely, 2^1065388123 is an apocalyptic number.

1065388123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065388123 is an equidigital number, since it uses as much as digits as its factorization.

1065388123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1065388123 is about 32640.2837457029. The cubic root of 1065388123 is about 1021.3375132787.

The spelling of 1065388123 in words is "one billion, sixty-five million, three hundred eighty-eight thousand, one hundred twenty-three".