3123830 has 8 divisors (see below), whose sum is σ = 5622912. Its totient is φ = 1249528.

The previous prime is 3123823. The next prime is 3123833. The reversal of 3123830 is 383213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123833) 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, 156182 + ... + 156201.

It is an arithmetic number, because the mean of its divisors is an integer number (702864).

Almost surely, 2^3123830 is an apocalyptic number.

3123830 is a deficient number, since it is larger than the sum of its proper divisors (2499082).

3123830 is a wasteful number, since it uses less digits than its factorization.

3123830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312390.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3123830 is about 1767.4359960123. The cubic root of 3123830 is about 146.1826387624.

The spelling of 3123830 in words is "three million, one hundred twenty-three thousand, eight hundred thirty".