105623421150643 has 8 divisors (see below), whose sum is σ = 115225900909056. Its totient is φ = 96020999819400.

The previous prime is 105623421150631. The next prime is 105623421150703. The reversal of 105623421150643 is 346051124326501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105623421150643 is a prime.

It is a super-2 number, since 2×105623421150643² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105623421150643.

It is not an unprimeable number, because it can be changed into a prime (105623421150613) 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, 10783371 + ... + 18097732.

It is an arithmetic number, because the mean of its divisors is an integer number (14403237613632).

Almost surely, 2^{105623421150643} is an apocalyptic number.

105623421150643 is a deficient number, since it is larger than the sum of its proper divisors (9602479758413).

105623421150643 is a wasteful number, since it uses less digits than its factorization.

105623421150643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29213585.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 105623421150643 in words is "one hundred five trillion, six hundred twenty-three billion, four hundred twenty-one million, one hundred fifty thousand, six hundred forty-three".