105977931423 has 32 divisors (see below), whose sum is σ = 177461760000. Its totient is φ = 55900440288.

The previous prime is 105977931403. The next prime is 105977931431. The reversal of 105977931423 is 324139779501.

It is not a de Polignac number, because 105977931423 - 2¹⁸ = 105977669279 is a prime.

It is a super-2 number, since 2×105977931423² (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 (105977931403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3947823 + ... + 3974576.

It is an arithmetic number, because the mean of its divisors is an integer number (5545680000).

Almost surely, 2^105977931423 is an apocalyptic number.

105977931423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105977931423 is a deficient number, since it is larger than the sum of its proper divisors (71483828577).

105977931423 is an equidigital number, since it uses as much as digits as its factorization.

105977931423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922436 (or 7922422 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 105977931423 in words is "one hundred five billion, nine hundred seventy-seven million, nine hundred thirty-one thousand, four hundred twenty-three".