2323530155544 has 128 divisors (see below), whose sum is σ = 6451619328000. Its totient is φ = 692698535424.

The previous prime is 2323530155519. The next prime is 2323530155623. The reversal of 2323530155544 is 4455510353232.

It is a junction number, because it is equal to n+sod(n) for n = 2323530155496 and 2323530155505.

It is a congruent number.

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, 2337937 + ... + 3180095.

It is an arithmetic number, because the mean of its divisors is an integer number (50403276000).

Almost surely, 2^{2323530155544} is an apocalyptic number.

2323530155544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2323530155544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3225809664000).

2323530155544 is an abundant number, since it is smaller than the sum of its proper divisors (4128089172456).

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

2323530155544 is a wasteful number, since it uses less digits than its factorization.

2323530155544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842457 (or 842453 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 2323530155544 in words is "two trillion, three hundred twenty-three billion, five hundred thirty million, one hundred fifty-five thousand, five hundred forty-four".