105497823 has 8 divisors (see below), whose sum is σ = 148067200. Its totient is φ = 66630168.

The previous prime is 105497813. The next prime is 105497831. The reversal of 105497823 is 328794501.

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

It is not a de Polignac number, because 105497823 - 2⁴ = 105497807 is a prime.

It is a super-2 number, since 2×105497823² = 22259581315478658, which 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 (105497813) 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, 925363 + ... + 925476.

It is an arithmetic number, because the mean of its divisors is an integer number (18508400).

Almost surely, 2^105497823 is an apocalyptic number.

105497823 is a deficient number, since it is larger than the sum of its proper divisors (42569377).

105497823 is a wasteful number, since it uses less digits than its factorization.

105497823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850861.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 105497823 is about 10271.2133168385. The cubic root of 105497823 is about 472.5138026818.

The spelling of 105497823 in words is "one hundred five million, four hundred ninety-seven thousand, eight hundred twenty-three".