40330023 has 8 divisors (see below), whose sum is σ = 53828736. Its totient is φ = 26859000.

The previous prime is 40330013. The next prime is 40330049. The reversal of 40330023 is 32003304.

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

It is not a de Polignac number, because 40330023 - 2¹⁰ = 40328999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40329984 and 40330011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40330013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3243 + ... + 9548.

It is an arithmetic number, because the mean of its divisors is an integer number (6728592).

Almost surely, 2^40330023 is an apocalyptic number.

40330023 is a deficient number, since it is larger than the sum of its proper divisors (13498713).

40330023 is a wasteful number, since it uses less digits than its factorization.

40330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 40330023 is about 6350.5923345779. The cubic root of 40330023 is about 342.9331667476.

Adding to 40330023 its reverse (32003304), we get a palindrome (72333327).

The spelling of 40330023 in words is "forty million, three hundred thirty thousand, twenty-three".