105456523143 has 8 divisors (see below), whose sum is σ = 140718811248. Its totient is φ = 70249291904.

The previous prime is 105456523127. The next prime is 105456523217. The reversal of 105456523143 is 341325654501.

It is a happy number.

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 105456523143 - 2⁴ = 105456523127 is a prime.

It is a super-2 number, since 2×105456523143² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105456523103) 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, 13759746 + ... + 13767407.

It is an arithmetic number, because the mean of its divisors is an integer number (17589851406).

Almost surely, 2^105456523143 is an apocalyptic number.

105456523143 is a deficient number, since it is larger than the sum of its proper divisors (35262288105).

105456523143 is a wasteful number, since it uses less digits than its factorization.

105456523143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27528433.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 105456523143 in words is "one hundred five billion, four hundred fifty-six million, five hundred twenty-three thousand, one hundred forty-three".