3123403122 has 64 divisors (see below), whose sum is σ = 7529518080. Its totient is φ = 843794496.

The previous prime is 3123403121. The next prime is 3123403177. The reversal of 3123403122 is 2213043213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3123403121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440973 + ... + 447999.

It is an arithmetic number, because the mean of its divisors is an integer number (117648720).

Almost surely, 2^3123403122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123403122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3764759040).

3123403122 is an abundant number, since it is smaller than the sum of its proper divisors (4406114958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123403122 is a wasteful number, since it uses less digits than its factorization.

3123403122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3123403122 is about 55887.4147013440. The cubic root of 3123403122 is about 1461.7597973644.

Adding to 3123403122 its reverse (2213043213), we get a palindrome (5336446335).

The spelling of 3123403122 in words is "three billion, one hundred twenty-three million, four hundred three thousand, one hundred twenty-two".