1065342123 has 12 divisors (see below), whose sum is σ = 1541647848. Its totient is φ = 708926400.

The previous prime is 1065342119. The next prime is 1065342127. The reversal of 1065342123 is 3212435601.

1065342123 is a `hidden beast` number, since 1 + 0 + 6 + 534 + 2 + 123 = 666.

It is an interprime number because it is at equal distance from previous prime (1065342119) and next prime (1065342127).

It is not a de Polignac number, because 1065342123 - 2² = 1065342119 is a prime.

It is a super-2 number, since 2×1065342123² = 2269907678076294258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065342127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103278 + ... + 113123.

It is an arithmetic number, because the mean of its divisors is an integer number (128470654).

Almost surely, 2^1065342123 is an apocalyptic number.

1065342123 is a deficient number, since it is larger than the sum of its proper divisors (476305725).

1065342123 is a wasteful number, since it uses less digits than its factorization.

1065342123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216954 (or 216951 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1065342123 is about 32639.5790873596. The cubic root of 1065342123 is about 1021.3228137212.

Adding to 1065342123 its reverse (3212435601), we get a palindrome (4277777724).

The spelling of 1065342123 in words is "one billion, sixty-five million, three hundred forty-two thousand, one hundred twenty-three".