105312423 has 8 divisors (see below), whose sum is σ = 146521728. Its totient is φ = 67155704.

The previous prime is 105312407. The next prime is 105312437. The reversal of 105312423 is 324213501.

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 105312423 - 2⁴ = 105312407 is a prime.

It is a super-2 number, since 2×105312423² = 22181412876261858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105312423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105312443) 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, 763065 + ... + 763202.

It is an arithmetic number, because the mean of its divisors is an integer number (18315216).

Almost surely, 2^105312423 is an apocalyptic number.

105312423 is a deficient number, since it is larger than the sum of its proper divisors (41209305).

105312423 is a wasteful number, since it uses less digits than its factorization.

105312423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526293.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 105312423 is about 10262.1841242496. The cubic root of 105312423 is about 472.2368445904.

Adding to 105312423 its reverse (324213501), we get a palindrome (429525924).

The spelling of 105312423 in words is "one hundred five million, three hundred twelve thousand, four hundred twenty-three".