105165270423 has 12 divisors (see below), whose sum is σ = 152106068088. Its totient is φ = 70017559920.

The previous prime is 105165270347. The next prime is 105165270437. The reversal of 105165270423 is 324072561501.

105165270423 is a `hidden beast` number, since 1 + 0 + 5 + 165 + 2 + 70 + 423 = 666.

It is not a de Polignac number, because 105165270423 - 2⁸ = 105165270167 is a prime.

It is a super-2 number, since 2×105165270423² (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 (105165270523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7711173 + ... + 7724798.

It is an arithmetic number, because the mean of its divisors is an integer number (12675505674).

Almost surely, 2^105165270423 is an apocalyptic number.

105165270423 is a deficient number, since it is larger than the sum of its proper divisors (46940797665).

105165270423 is a wasteful number, since it uses less digits than its factorization.

105165270423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15436734 (or 15436731 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 105165270423 in words is "one hundred five billion, one hundred sixty-five million, two hundred seventy thousand, four hundred twenty-three".