40776123 has 4 divisors (see below), whose sum is σ = 54368168. Its totient is φ = 27184080.

The previous prime is 40776107. The next prime is 40776161. The reversal of 40776123 is 32167704.

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

It is not a de Polignac number, because 40776123 - 2⁴ = 40776107 is a prime.

It is a super-2 number, since 2×40776123² = 3325384413822258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40776173) 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, 6796018 + ... + 6796023.

It is an arithmetic number, because the mean of its divisors is an integer number (13592042).

Almost surely, 2^40776123 is an apocalyptic number.

40776123 is a deficient number, since it is larger than the sum of its proper divisors (13592045).

40776123 is a wasteful number, since it uses less digits than its factorization.

40776123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592044.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 40776123 is about 6385.6184508628. The cubic root of 40776123 is about 344.1929550032.

The spelling of 40776123 in words is "forty million, seven hundred seventy-six thousand, one hundred twenty-three".