105158106423 has 12 divisors (see below), whose sum is σ = 151897948488. Its totient is φ = 70104063120.

The previous prime is 105158106413. The next prime is 105158106463. The reversal of 105158106423 is 324601851501.

105158106423 is a `hidden beast` number, since 1 + 0 + 5 + 1 + 5 + 8 + 1 + 0 + 642 + 3 = 666.

It is not a de Polignac number, because 105158106423 - 2⁶ = 105158106359 is a prime.

It is a super-2 number, since 2×105158106423² (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 (105158106413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680128 + ... + 820298.

It is an arithmetic number, because the mean of its divisors is an integer number (12658162374).

Almost surely, 2^105158106423 is an apocalyptic number.

105158106423 is a deficient number, since it is larger than the sum of its proper divisors (46739842065).

105158106423 is a wasteful number, since it uses less digits than its factorization.

105158106423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223534 (or 223531 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

Adding to 105158106423 its reverse (324601851501), we get a palindrome (429759957924).

The spelling of 105158106423 in words is "one hundred five billion, one hundred fifty-eight million, one hundred six thousand, four hundred twenty-three".