3123401020 has 12 divisors (see below), whose sum is σ = 6559142184. Its totient is φ = 1249360400.

The previous prime is 3123401009. The next prime is 3123401053. The reversal of 3123401020 is 201043213.

It is a happy number.

3123401020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3123400985 and 3123401003.

It is a congruent number.

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, 78085006 + ... + 78085045.

It is an arithmetic number, because the mean of its divisors is an integer number (546595182).

Almost surely, 2^3123401020 is an apocalyptic number.

It is an amenable number.

3123401020 is an abundant number, since it is smaller than the sum of its proper divisors (3435741164).

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

3123401020 is a wasteful number, since it uses less digits than its factorization.

3123401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156170060 (or 156170058 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3123401020 is about 55887.3958956758. The cubic root of 3123401020 is about 1461.7594694508.

Adding to 3123401020 its reverse (201043213), we get a palindrome (3324444233).

The spelling of 3123401020 in words is "three billion, one hundred twenty-three million, four hundred one thousand, twenty".