28056342303 has 32 divisors (see below), whose sum is σ = 45353214720. Its totient is φ = 17000232480.

The previous prime is 28056342283. The next prime is 28056342323. The reversal of 28056342303 is 30324365082.

It is a happy number.

28056342303 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 6 + 342 + 303 = 666.

It is an interprime number because it is at equal distance from previous prime (28056342283) and next prime (28056342323).

It is not a de Polignac number, because 28056342303 - 2⁶ = 28056342239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056342323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2235201 + ... + 2247717.

It is an arithmetic number, because the mean of its divisors is an integer number (1417287960).

Almost surely, 2^28056342303 is an apocalyptic number.

28056342303 is a deficient number, since it is larger than the sum of its proper divisors (17296872417).

28056342303 is a wasteful number, since it uses less digits than its factorization.

28056342303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20084 (or 20078 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 28056342303 in words is "twenty-eight billion, fifty-six million, three hundred forty-two thousand, three hundred three".