105285723626 has 16 divisors (see below), whose sum is σ = 167789926440. Its totient is φ = 49453871040.

The previous prime is 105285723581. The next prime is 105285723629. The reversal of 105285723626 is 626327582501.

It can be written as a sum of positive squares in 4 ways, for example, as 83261679601 + 22024044025 = 288551^2 + 148405^2 .

It is a super-2 number, since 2×105285723626² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105285723629) 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, 24528545 + ... + 24532836.

Almost surely, 2^105285723626 is an apocalyptic number.

105285723626 is a deficient number, since it is larger than the sum of its proper divisors (62504202814).

105285723626 is a wasteful number, since it uses less digits than its factorization.

105285723626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49061449.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 105285723626 in words is "one hundred five billion, two hundred eighty-five million, seven hundred twenty-three thousand, six hundred twenty-six".