105477943 has 4 divisors (see below), whose sum is σ = 105508000. Its totient is φ = 105447888.

The previous prime is 105477941. The next prime is 105477947. The reversal of 105477943 is 349774501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349774501 = 23 ⋅15207587.

It is a cyclic number.

It is not a de Polignac number, because 105477943 - 2¹ = 105477941 is a prime.

It is a super-2 number, since 2×105477943² = 22251192919022498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105477896 and 105477905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105477941) 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, 8943 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (26377000).

Almost surely, 2^105477943 is an apocalyptic number.

105477943 is a deficient number, since it is larger than the sum of its proper divisors (30057).

105477943 is an equidigital number, since it uses as much as digits as its factorization.

105477943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30056.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 105477943 is about 10270.2455180000. The cubic root of 105477943 is about 472.4841206649.

The spelling of 105477943 in words is "one hundred five million, four hundred seventy-seven thousand, nine hundred forty-three".