1623103583472 has 720 divisors, whose sum is σ = 5681916289440. Its totient is φ = 442231695360.

The previous prime is 1623103583449. The next prime is 1623103583531. The reversal of 1623103583472 is 2743853013261.

1623103583472 is a `hidden beast` number, since 1 + 6 + 23 + 1 + 0 + 3 + 583 + 47 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1484998158 + ... + 1484999250.

It is an arithmetic number, because the mean of its divisors is an integer number (7891550402).

Almost surely, 2^{1623103583472} is an apocalyptic number.

1623103583472 is a gapful number since it is divisible by the number (12) 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 1623103583472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2840958144720).

1623103583472 is an abundant number, since it is smaller than the sum of its proper divisors (4058812705968).

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

1623103583472 is a wasteful number, since it uses less digits than its factorization.

1623103583472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 1623103583472 in words is "one trillion, six hundred twenty-three billion, one hundred three million, five hundred eighty-three thousand, four hundred seventy-two".