40303023 has 8 divisors (see below), whose sum is σ = 53882928. Its totient is φ = 26795904.

The previous prime is 40303019. The next prime is 40303031. The reversal of 40303023 is 32030304.

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

It is not a de Polignac number, because 40303023 - 2² = 40303019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40302993 and 40303011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303033) 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, 16890 + ... + 19127.

It is an arithmetic number, because the mean of its divisors is an integer number (6735366).

Almost surely, 2^40303023 is an apocalyptic number.

40303023 is a deficient number, since it is larger than the sum of its proper divisors (13579905).

40303023 is a wasteful number, since it uses less digits than its factorization.

40303023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36393.

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

The square root of 40303023 is about 6348.4661927114. The cubic root of 40303023 is about 342.8566211054.

Adding to 40303023 its reverse (32030304), we get a palindrome (72333327).

The spelling of 40303023 in words is "forty million, three hundred three thousand, twenty-three".