40415023 has 8 divisors (see below), whose sum is σ = 44142336. Its totient is φ = 36696600.

The previous prime is 40414993. The next prime is 40415029. The reversal of 40415023 is 32051404.

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

It is a cyclic number.

It is not a de Polignac number, because 40415023 - 2⁹ = 40414511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40415029) 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, 10468 + ... + 13798.

It is an arithmetic number, because the mean of its divisors is an integer number (5517792).

Almost surely, 2^40415023 is an apocalyptic number.

40415023 is a deficient number, since it is larger than the sum of its proper divisors (3727313).

40415023 is a wasteful number, since it uses less digits than its factorization.

40415023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40415023 is about 6357.2811012256. The cubic root of 40415023 is about 343.1739209259.

Adding to 40415023 its reverse (32051404), we get a palindrome (72466427).

The spelling of 40415023 in words is "forty million, four hundred fifteen thousand, twenty-three".