40353423 has 8 divisors (see below), whose sum is σ = 58695936. Its totient is φ = 24456600.

The previous prime is 40353373. The next prime is 40353433. The reversal of 40353423 is 32435304.

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

It is not a de Polignac number, because 40353423 - 2¹³ = 40345231 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40353393 and 40353402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40353433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611383 + ... + 611448.

It is an arithmetic number, because the mean of its divisors is an integer number (7336992).

Almost surely, 2^40353423 is an apocalyptic number.

40353423 is a deficient number, since it is larger than the sum of its proper divisors (18342513).

40353423 is a wasteful number, since it uses less digits than its factorization.

40353423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222845.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 40353423 is about 6352.4344152459. The cubic root of 40353423 is about 342.9994786745. Note that the first 3 decimals are identical.

Adding to 40353423 its reverse (32435304), we get a palindrome (72788727).

The spelling of 40353423 in words is "forty million, three hundred fifty-three thousand, four hundred twenty-three".