28023535253 has 8 divisors (see below), whose sum is σ = 32046123072. Its totient is φ = 24005753856.

The previous prime is 28023535247. The next prime is 28023535303. The reversal of 28023535253 is 35253532082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28023535253 - 2²⁴ = 28006758037 is a prime.

It is a super-2 number, since 2×28023535253² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28023535153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189100 + ... + 1212437.

It is an arithmetic number, because the mean of its divisors is an integer number (4005765384).

Almost surely, 2^28023535253 is an apocalyptic number.

It is an amenable number.

28023535253 is a deficient number, since it is larger than the sum of its proper divisors (4022587819).

28023535253 is a wasteful number, since it uses less digits than its factorization.

28023535253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403211.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 28023535253 in words is "twenty-eight billion, twenty-three million, five hundred thirty-five thousand, two hundred fifty-three".