28303823654 has 16 divisors (see below), whose sum is σ = 42655429440. Its totient is φ = 14085397440.

The previous prime is 28303823633. The next prime is 28303823657. The reversal of 28303823654 is 45632830382.

It is a super-2 number, since 2×28303823654² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28303823657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266227 + ... + 1288385.

It is an arithmetic number, because the mean of its divisors is an integer number (2665964340).

Almost surely, 2^28303823654 is an apocalyptic number.

28303823654 is a deficient number, since it is larger than the sum of its proper divisors (14351605786).

28303823654 is a wasteful number, since it uses less digits than its factorization.

28303823654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25135.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 28303823654 in words is "twenty-eight billion, three hundred three million, eight hundred twenty-three thousand, six hundred fifty-four".