103453405203456 has 1584 divisors, whose sum is σ = 394031755982592. Its totient is φ = 26808761548800.

The previous prime is 103453405203377. The next prime is 103453405203503. The reversal of 103453405203456 is 654302504354301.

103453405203456 is a `hidden beast` number, since 1 + 0 + 3 + 4 + 5 + 3 + 40 + 520 + 34 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (1584).

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, 97505565166 + ... + 97505566226.

Almost surely, 2^{103453405203456} is an apocalyptic number.

103453405203456 is a gapful number since it is divisible by the number (16) 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 103453405203456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197015877991296).

103453405203456 is an abundant number, since it is smaller than the sum of its proper divisors (290578350779136).

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

103453405203456 is a wasteful number, since it uses less digits than its factorization.

103453405203456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 103453405203456 its reverse (654302504354301), we get a palindrome (757755909557757).

The spelling of 103453405203456 in words is "one hundred three trillion, four hundred fifty-three billion, four hundred five million, two hundred three thousand, four hundred fifty-six".