3123424520 has 32 divisors (see below), whose sum is σ = 7078276800. Its totient is φ = 1240379328.

The previous prime is 3123424489. The next prime is 3123424529. The reversal of 3123424520 is 254243213.

It is a self number, because there is not a number n which added to its sum of digits gives 3123424520.

It is not an unprimeable number, because it can be changed into a prime (3123424529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275324 + ... + 286443.

It is an arithmetic number, because the mean of its divisors is an integer number (221196150).

Almost surely, 2^3123424520 is an apocalyptic number.

It is an amenable number.

3123424520 is an abundant number, since it is smaller than the sum of its proper divisors (3954852280).

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

3123424520 is a wasteful number, since it uses less digits than its factorization.

3123424520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561917 (or 561913 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 3123424520 is about 55887.6061394653. The cubic root of 3123424520 is about 1461.7631354611.

Adding to 3123424520 its reverse (254243213), we get a palindrome (3377667733).

The spelling of 3123424520 in words is "three billion, one hundred twenty-three million, four hundred twenty-four thousand, five hundred twenty".