3123543040 has 88 divisors (see below), whose sum is σ = 7551661392. Its totient is φ = 1239613440.

The previous prime is 3123543011. The next prime is 3123543089. The reversal of 3123543040 is 403453213.

It is a super-2 number, since 2×3123543040² = 19513042245464883200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3123542996 and 3123543014.

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, 668392 + ... + 673048.

It is an arithmetic number, because the mean of its divisors is an integer number (85814334).

Almost surely, 2^3123543040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3775830696).

3123543040 is an abundant number, since it is smaller than the sum of its proper divisors (4428118352).

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

3123543040 is a wasteful number, since it uses less digits than its factorization.

3123543040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813 (or 4795 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3123543040 is about 55888.6664718349. Note that the first 3 decimals coincide. The cubic root of 3123543040 is about 1461.7816243531.

Adding to 3123543040 its reverse (403453213), we get a palindrome (3526996253).

The spelling of 3123543040 in words is "three billion, one hundred twenty-three million, five hundred forty-three thousand, forty".