3123401630 has 16 divisors (see below), whose sum is σ = 5624382960. Its totient is φ = 1248858432.

The previous prime is 3123401627. The next prime is 3123401681. The reversal of 3123401630 is 361043213.

It is a junction number, because it is equal to n+sod(n) for n = 3123401596 and 3123401605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36119 + ... + 86898.

It is an arithmetic number, because the mean of its divisors is an integer number (351523935).

Almost surely, 2^3123401630 is an apocalyptic number.

3123401630 is a deficient number, since it is larger than the sum of its proper divisors (2500981330).

3123401630 is a wasteful number, since it uses less digits than its factorization.

3123401630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125563.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3123401630 is about 55887.4013530778. The cubic root of 3123401630 is about 1461.7595646113.

Adding to 3123401630 its reverse (361043213), we get a palindrome (3484444843).

The spelling of 3123401630 in words is "three billion, one hundred twenty-three million, four hundred one thousand, six hundred thirty".