40672471723 has 8 divisors (see below), whose sum is σ = 43830481968. Its totient is φ = 37518655584.

The previous prime is 40672471717. The next prime is 40672471799. The reversal of 40672471723 is 32717427604.

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 40672471723 - 2⁹ = 40672471211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40672471723.

It is not an unprimeable number, because it can be changed into a prime (40672471523) 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, 1028365 + ... + 1067182.

It is an arithmetic number, because the mean of its divisors is an integer number (5478810246).

Almost surely, 2^40672471723 is an apocalyptic number.

40672471723 is a deficient number, since it is larger than the sum of its proper divisors (3158010245).

40672471723 is a wasteful number, since it uses less digits than its factorization.

40672471723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097053.

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 40672471723 in words is "forty billion, six hundred seventy-two million, four hundred seventy-one thousand, seven hundred twenty-three".