40303400423 has 8 divisors (see below), whose sum is σ = 47349449616. Its totient is φ = 33821035200.

The previous prime is 40303400399. The next prime is 40303400443. The reversal of 40303400423 is 32400430304.

It is a happy number.

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 40303400423 - 2⁸ = 40303400167 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 (40303400443) 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, 140920838 + ... + 140921123.

It is an arithmetic number, because the mean of its divisors is an integer number (5918681202).

Almost surely, 2^40303400423 is an apocalyptic number.

40303400423 is a deficient number, since it is larger than the sum of its proper divisors (7046049193).

40303400423 is a wasteful number, since it uses less digits than its factorization.

40303400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281841985.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 40303400423 its reverse (32400430304), we get a palindrome (72703830727).

The spelling of 40303400423 in words is "forty billion, three hundred three million, four hundred thousand, four hundred twenty-three".