40775123 has 4 divisors (see below), whose sum is σ = 40803288. Its totient is φ = 40746960.

The previous prime is 40775101. The next prime is 40775143. The reversal of 40775123 is 32157704.

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 40775123 - 2¹⁰ = 40774099 is a prime.

It is a super-2 number, since 2×40775123² = 3325221311330258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40775143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11786 + ... + 14847.

It is an arithmetic number, because the mean of its divisors is an integer number (10200822).

Almost surely, 2^40775123 is an apocalyptic number.

40775123 is a deficient number, since it is larger than the sum of its proper divisors (28165).

40775123 is a wasteful number, since it uses less digits than its factorization.

40775123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28164.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 40775123 is about 6385.5401494314. The cubic root of 40775123 is about 344.1901412996.

The spelling of 40775123 in words is "forty million, seven hundred seventy-five thousand, one hundred twenty-three".