105423037065 has 12 divisors (see below), whose sum is σ = 182733264324. Its totient is φ = 56225619744.

The previous prime is 105423037051. The next prime is 105423037099. The reversal of 105423037065 is 560730324501.

105423037065 is a `hidden beast` number, since 1 + 0 + 54 + 230 + 370 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 53078630544 + 52344406521 = 230388^2 + 228789^2 .

It is not a de Polignac number, because 105423037065 - 2⁵ = 105423037033 is a prime.

It is a super-2 number, since 2×105423037065² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1171367034 + ... + 1171367123.

It is an arithmetic number, because the mean of its divisors is an integer number (15227772027).

Almost surely, 2^105423037065 is an apocalyptic number.

105423037065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105423037065 is a deficient number, since it is larger than the sum of its proper divisors (77310227259).

105423037065 is a wasteful number, since it uses less digits than its factorization.

105423037065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342734168 (or 2342734165 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 105423037065 in words is "one hundred five billion, four hundred twenty-three million, thirty-seven thousand, sixty-five".