40023203447 has 8 divisors (see below), whose sum is σ = 40352357760. Its totient is φ = 39694407480.

The previous prime is 40023203419. The next prime is 40023203459. The reversal of 40023203447 is 74430232004.

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 40023203447 - 2⁸ = 40023203191 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 (40023203747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137054 + ... + 314372.

It is an arithmetic number, because the mean of its divisors is an integer number (5044044720).

Almost surely, 2^40023203447 is an apocalyptic number.

40023203447 is a deficient number, since it is larger than the sum of its proper divisors (329154313).

40023203447 is a wasteful number, since it uses less digits than its factorization.

40023203447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179173.

The product of its (nonzero) digits is 16128, while the sum is 29.

The spelling of 40023203447 in words is "forty billion, twenty-three million, two hundred three thousand, four hundred forty-seven".