40123995673 has 8 divisors (see below), whose sum is σ = 41871492288. Its totient is φ = 38376747024.

The previous prime is 40123995643. The next prime is 40123995677. The reversal of 40123995673 is 37659932104.

40123995673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40123995673 - 2²⁹ = 39587124761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40123995677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318415 + ... + 426187.

It is an arithmetic number, because the mean of its divisors is an integer number (5233936536).

Almost surely, 2^40123995673 is an apocalyptic number.

It is an amenable number.

40123995673 is a deficient number, since it is larger than the sum of its proper divisors (1747496615).

40123995673 is a wasteful number, since it uses less digits than its factorization.

40123995673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123983.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 40123995673 in words is "forty billion, one hundred twenty-three million, nine hundred ninety-five thousand, six hundred seventy-three".