105665263104523 has 8 divisors (see below), whose sum is σ = 107449039701776. Its totient is φ = 103883149706400.

The previous prime is 105665263104521. The next prime is 105665263104559. The reversal of 105665263104523 is 325401362566501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105665263104523 - 2¹ = 105665263104521 is a prime.

It is a super-2 number, since 2×105665263104523² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105665263104521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415671648 + ... + 415925773.

It is an arithmetic number, because the mean of its divisors is an integer number (13431129962722).

Almost surely, 2^{105665263104523} is an apocalyptic number.

105665263104523 is a deficient number, since it is larger than the sum of its proper divisors (1783776597253).

105665263104523 is an equidigital number, since it uses as much as digits as its factorization.

105665263104523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831599565.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 105665263104523 in words is "one hundred five trillion, six hundred sixty-five billion, two hundred sixty-three million, one hundred four thousand, five hundred twenty-three".