105198423 has 8 divisors (see below), whose sum is σ = 153015936. Its totient is φ = 63756600.

The previous prime is 105198419. The next prime is 105198451. The reversal of 105198423 is 324891501.

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

It is not a de Polignac number, because 105198423 - 2² = 105198419 is a prime.

It is a super-2 number, since 2×105198423² = 22133416403373858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3187831 = 105198423 / (1 + 0 + 5 + 1 + 9 + 8 + 4 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105198413) 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, 1593883 + ... + 1593948.

It is an arithmetic number, because the mean of its divisors is an integer number (19126992).

Almost surely, 2^105198423 is an apocalyptic number.

105198423 is a deficient number, since it is larger than the sum of its proper divisors (47817513).

105198423 is a wasteful number, since it uses less digits than its factorization.

105198423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187845.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 105198423 is about 10256.6282471385. The cubic root of 105198423 is about 472.0663853170.

The spelling of 105198423 in words is "one hundred five million, one hundred ninety-eight thousand, four hundred twenty-three".