42766123 has 4 divisors (see below), whose sum is σ = 43760728. Its totient is φ = 41771520.

The previous prime is 42766103. The next prime is 42766181. The reversal of 42766123 is 32166724.

42766123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42766123 - 2¹³ = 42757931 is a prime.

It is a super-2 number, since 2×42766123² = 3657882552902258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42766103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497238 + ... + 497323.

It is an arithmetic number, because the mean of its divisors is an integer number (10940182).

Almost surely, 2^42766123 is an apocalyptic number.

42766123 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42766123 is a deficient number, since it is larger than the sum of its proper divisors (994605).

42766123 is an equidigital number, since it uses as much as digits as its factorization.

42766123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994604.

The product of its digits is 12096, while the sum is 31.

The square root of 42766123 is about 6539.5812557074. The cubic root of 42766123 is about 349.7034849220.

The spelling of 42766123 in words is "forty-two million, seven hundred sixty-six thousand, one hundred twenty-three".