3123654420 has 48 divisors (see below), whose sum is σ = 8826491520. Its totient is φ = 825330816.

The previous prime is 3123654407. The next prime is 3123654463. The reversal of 3123654420 is 244563213.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 232272 + ... + 245351.

It is an arithmetic number, because the mean of its divisors is an integer number (183885240).

Almost surely, 2^3123654420 is an apocalyptic number.

3123654420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3123654420 is an abundant number, since it is smaller than the sum of its proper divisors (5702837100).

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

3123654420 is a wasteful number, since it uses less digits than its factorization.

3123654420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477744 (or 477742 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 3123654420 is about 55889.6629082695. The cubic root of 3123654420 is about 1461.7989989925.

The spelling of 3123654420 in words is "three billion, one hundred twenty-three million, six hundred fifty-four thousand, four hundred twenty".