106842823123 has 6 divisors (see below), whose sum is σ = 107564723924. Its totient is φ = 106125735144.

The previous prime is 106842823057. The next prime is 106842823159. The reversal of 106842823123 is 321328248601.

It is a de Polignac number, because none of the positive numbers 2^k-106842823123 is a prime.

It is a super-2 number, since 2×106842823123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106842823163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2384061 + ... + 2428462.

Almost surely, 2^106842823123 is an apocalyptic number.

106842823123 is a deficient number, since it is larger than the sum of its proper divisors (721900801).

106842823123 is an frugal number, since it uses more digits than its factorization.

106842823123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812821 (or 4812672 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 106842823123 in words is "one hundred six billion, eight hundred forty-two million, eight hundred twenty-three thousand, one hundred twenty-three".