40332023 has 4 divisors (see below), whose sum is σ = 41633088. Its totient is φ = 39030960.

The previous prime is 40332013. The next prime is 40332029. The reversal of 40332023 is 32023304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40332023 - 2⁶ = 40331959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40331992 and 40332010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40332029) 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 3 ways as a sum of consecutive naturals, for example, 650486 + ... + 650547.

It is an arithmetic number, because the mean of its divisors is an integer number (10408272).

Almost surely, 2^40332023 is an apocalyptic number.

40332023 is a deficient number, since it is larger than the sum of its proper divisors (1301065).

40332023 is a wasteful number, since it uses less digits than its factorization.

40332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301064.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40332023 is about 6350.7497982522. The cubic root of 40332023 is about 342.9388354360.

Adding to 40332023 its reverse (32023304), we get a palindrome (72355327).

The spelling of 40332023 in words is "forty million, three hundred thirty-two thousand, twenty-three".