40371123 has 16 divisors (see below), whose sum is σ = 58302720. Its totient is φ = 24700704.

The previous prime is 40371113. The next prime is 40371157. The reversal of 40371123 is 32117304.

It is not a de Polignac number, because 40371123 - 2¹⁸ = 40108979 is a prime.

It is a super-2 number, since 2×40371123² = 3259655144562258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40371123.

It is not an unprimeable number, because it can be changed into a prime (40371113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4090 + ... + 9872.

It is an arithmetic number, because the mean of its divisors is an integer number (3643920).

Almost surely, 2^40371123 is an apocalyptic number.

40371123 is a deficient number, since it is larger than the sum of its proper divisors (17931597).

40371123 is a wasteful number, since it uses less digits than its factorization.

40371123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 40371123 is about 6353.8274291957. The cubic root of 40371123 is about 343.0496206690.

Adding to 40371123 its reverse (32117304), we get a palindrome (72488427).

The spelling of 40371123 in words is "forty million, three hundred seventy-one thousand, one hundred twenty-three".