3867123345 has 16 divisors (see below), whose sum is σ = 6194880960. Its totient is φ = 2059971264.

The previous prime is 3867123341. The next prime is 3867123383. The reversal of 3867123345 is 5433217683.

It is not a de Polignac number, because 3867123345 - 2² = 3867123341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3867123297 and 3867123306.

It is not an unprimeable number, because it can be changed into a prime (3867123341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143059 + ... + 167928.

It is an arithmetic number, because the mean of its divisors is an integer number (387180060).

Almost surely, 2^3867123345 is an apocalyptic number.

It is an amenable number.

3867123345 is a deficient number, since it is larger than the sum of its proper divisors (2327757615).

3867123345 is a wasteful number, since it uses less digits than its factorization.

3867123345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311824.

The product of its digits is 362880, while the sum is 42.

The square root of 3867123345 is about 62186.1989914161. The cubic root of 3867123345 is about 1569.6253646526.

The spelling of 3867123345 in words is "three billion, eight hundred sixty-seven million, one hundred twenty-three thousand, three hundred forty-five".