40313440123 has 8 divisors (see below), whose sum is σ = 44012065536. Its totient is φ = 36620442600.

The previous prime is 40313440073. The next prime is 40313440151. The reversal of 40313440123 is 32104431304.

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 40313440123 - 2⁹ = 40313439611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40313440163) 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, 1391983 + ... + 1420648.

It is an arithmetic number, because the mean of its divisors is an integer number (5501508192).

Almost surely, 2^40313440123 is an apocalyptic number.

40313440123 is a deficient number, since it is larger than the sum of its proper divisors (3698625413).

40313440123 is a wasteful number, since it uses less digits than its factorization.

40313440123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813945.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40313440123 its reverse (32104431304), we get a palindrome (72417871427).

The spelling of 40313440123 in words is "forty billion, three hundred thirteen million, four hundred forty thousand, one hundred twenty-three".