105366501623 has 4 divisors (see below), whose sum is σ = 105412575840. Its totient is φ = 105320427408.

The previous prime is 105366501607. The next prime is 105366501661. The reversal of 105366501623 is 326105663501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105366501623 - 2⁴ = 105366501607 is a prime.

It is a super-2 number, since 2×105366501623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105366501683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23033678 + ... + 23038251.

It is an arithmetic number, because the mean of its divisors is an integer number (26353143960).

Almost surely, 2^105366501623 is an apocalyptic number.

105366501623 is a deficient number, since it is larger than the sum of its proper divisors (46074217).

105366501623 is an equidigital number, since it uses as much as digits as its factorization.

105366501623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46074216.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 105366501623 in words is "one hundred five billion, three hundred sixty-six million, five hundred one thousand, six hundred twenty-three".