3807136838123 has 4 divisors (see below), whose sum is σ = 3828170743488. Its totient is φ = 3786102932760.

The previous prime is 3807136838119. The next prime is 3807136838149. The reversal of 3807136838123 is 3218386317083.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3807136838123 - 2² = 3807136838119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3807136838023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10516952411 + ... + 10516952772.

It is an arithmetic number, because the mean of its divisors is an integer number (957042685872).

Almost surely, 2^{3807136838123} is an apocalyptic number.

3807136838123 is a deficient number, since it is larger than the sum of its proper divisors (21033905365).

3807136838123 is a wasteful number, since it uses less digits than its factorization.

3807136838123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21033905364.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 3807136838123 in words is "three trillion, eight hundred seven billion, one hundred thirty-six million, eight hundred thirty-eight thousand, one hundred twenty-three".