40719123 has 12 divisors (see below), whose sum is σ = 59267208. Its totient is φ = 26938080.

The previous prime is 40719101. The next prime is 40719149. The reversal of 40719123 is 32191704.

40719123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40719123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40719163) 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 11 ways as a sum of consecutive naturals, for example, 16090 + ... + 18447.

It is an arithmetic number, because the mean of its divisors is an integer number (4938934).

Almost surely, 2^40719123 is an apocalyptic number.

40719123 is a deficient number, since it is larger than the sum of its proper divisors (18548085).

40719123 is a wasteful number, since it uses less digits than its factorization.

40719123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34674 (or 34671 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 40719123 is about 6381.1537358067. The cubic root of 40719123 is about 344.0325004222.

The spelling of 40719123 in words is "forty million, seven hundred nineteen thousand, one hundred twenty-three".