803903423136 has 96 divisors (see below), whose sum is σ = 2303130303936. Its totient is φ = 243496704000.

The previous prime is 803903423131. The next prime is 803903423143. The reversal of 803903423136 is 631324309308.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (803903423131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173996 + ... + 2516756.

It is an arithmetic number, because the mean of its divisors is an integer number (23990940666).

Almost surely, 2^803903423136 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 803903423136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151565151968).

803903423136 is an abundant number, since it is smaller than the sum of its proper divisors (1499226880800).

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

803903423136 is a wasteful number, since it uses less digits than its factorization.

803903423136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345006 (or 344998 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 803903423136 in words is "eight hundred three billion, nine hundred three million, four hundred twenty-three thousand, one hundred thirty-six".