40123193 has 8 divisors (see below), whose sum is σ = 46074720. Its totient is φ = 34555680.

The previous prime is 40123189. The next prime is 40123199. The reversal of 40123193 is 39132104.

40123193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40123193 - 2² = 40123189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40123199) 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 7 ways as a sum of consecutive naturals, for example, 95780 + ... + 96197.

It is an arithmetic number, because the mean of its divisors is an integer number (5759340).

Almost surely, 2^40123193 is an apocalyptic number.

It is an amenable number.

40123193 is a deficient number, since it is larger than the sum of its proper divisors (5951527).

40123193 is a wasteful number, since it uses less digits than its factorization.

40123193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192007.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 40123193 is about 6334.2870948513. The cubic root of 40123193 is about 342.3459246250.

Adding to 40123193 its reverse (39132104), we get a palindrome (79255297).

The spelling of 40123193 in words is "forty million, one hundred twenty-three thousand, one hundred ninety-three".