3123201668 has 12 divisors (see below), whose sum is σ = 5470359552. Its totient is φ = 1560241800.

The previous prime is 3123201659. The next prime is 3123201673. The reversal of 3123201668 is 8661023213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334580 + ... + 343787.

It is an arithmetic number, because the mean of its divisors is an integer number (455863296).

Almost surely, 2^3123201668 is an apocalyptic number.

It is an amenable number.

3123201668 is a deficient number, since it is larger than the sum of its proper divisors (2347157884).

3123201668 is a wasteful number, since it uses less digits than its factorization.

3123201668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679522 (or 679520 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3123201668 is about 55885.6123523756. The cubic root of 3123201668 is about 1461.7283697113.

The spelling of 3123201668 in words is "three billion, one hundred twenty-three million, two hundred one thousand, six hundred sixty-eight".