40319223943 has 8 divisors (see below), whose sum is σ = 42416485200. Its totient is φ = 38269092288.

The previous prime is 40319223941. The next prime is 40319223949. The reversal of 40319223943 is 34932291304.

It is a happy number.

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

It is not a de Polignac number, because 40319223943 - 2¹ = 40319223941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40319223896 and 40319223905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40319223941) 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, 11780646 + ... + 11784067.

It is an arithmetic number, because the mean of its divisors is an integer number (5302060650).

Almost surely, 2^40319223943 is an apocalyptic number.

40319223943 is a deficient number, since it is larger than the sum of its proper divisors (2097261257).

40319223943 is a wasteful number, since it uses less digits than its factorization.

40319223943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23564801.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 40319223943 in words is "forty billion, three hundred nineteen million, two hundred twenty-three thousand, nine hundred forty-three".