3123787056144 has 160 divisors (see below), whose sum is σ = 8664632570880. Its totient is φ = 967390093824.

The previous prime is 3123787056119. The next prime is 3123787056191. The reversal of 3123787056144 is 4416507873213.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8313682 + ... + 8681294.

It is an arithmetic number, because the mean of its divisors is an integer number (54153953568).

Almost surely, 2^{3123787056144} 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 3123787056144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4332316285440).

3123787056144 is an abundant number, since it is smaller than the sum of its proper divisors (5540845514736).

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

3123787056144 is a wasteful number, since it uses less digits than its factorization.

3123787056144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367869 (or 367863 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 3123787056144 in words is "three trillion, one hundred twenty-three billion, seven hundred eighty-seven million, fifty-six thousand, one hundred forty-four".