40423011 has 8 divisors (see below), whose sum is σ = 54070800. Its totient is φ = 26861952.

The previous prime is 40423001. The next prime is 40423057. The reversal of 40423011 is 11032404.

40423011 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 40423011 - 2⁷ = 40422883 is a prime.

It is a super-2 number, since 2×40423011² = 3268039636612242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40423001) 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, 20586 + ... + 22463.

It is an arithmetic number, because the mean of its divisors is an integer number (6758850).

Almost surely, 2^40423011 is an apocalyptic number.

40423011 is a deficient number, since it is larger than the sum of its proper divisors (13647789).

40423011 is a wasteful number, since it uses less digits than its factorization.

40423011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43365.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40423011 is about 6357.9093261858. The cubic root of 40423011 is about 343.1965287954.

Adding to 40423011 its reverse (11032404), we get a palindrome (51455415).

The spelling of 40423011 in words is "forty million, four hundred twenty-three thousand, eleven".