40016115123 has 8 divisors (see below), whose sum is σ = 53457230736. Its totient is φ = 26626204800.

The previous prime is 40016115109. The next prime is 40016115151. The reversal of 40016115123 is 32151161004.

It is a happy number.

40016115123 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 not a de Polignac number, because 40016115123 - 2⁸ = 40016114867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40016115093 and 40016115102.

It is not an unprimeable number, because it can be changed into a prime (40016115163) 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, 12799498 + ... + 12802623.

It is an arithmetic number, because the mean of its divisors is an integer number (6682153842).

Almost surely, 2^40016115123 is an apocalyptic number.

40016115123 is a deficient number, since it is larger than the sum of its proper divisors (13441115613).

40016115123 is a wasteful number, since it uses less digits than its factorization.

40016115123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25602645.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 40016115123 its reverse (32151161004), we get a palindrome (72167276127).

The spelling of 40016115123 in words is "forty billion, sixteen million, one hundred fifteen thousand, one hundred twenty-three".