28053123 has 24 divisors (see below), whose sum is σ = 44792064. Its totient is φ = 15269760.

The previous prime is 28053089. The next prime is 28053127. The reversal of 28053123 is 32135082.

It is not a de Polignac number, because 28053123 - 2⁸ = 28052867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28053093 and 28053102.

It is not an unprimeable number, because it can be changed into a prime (28053127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116283 + ... + 116523.

It is an arithmetic number, because the mean of its divisors is an integer number (1866336).

Almost surely, 2^28053123 is an apocalyptic number.

28053123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28053123 is a deficient number, since it is larger than the sum of its proper divisors (16738941).

28053123 is an equidigital number, since it uses as much as digits as its factorization.

28053123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 28053123 is about 5296.5198951765. The cubic root of 28053123 is about 303.8508148143.

The spelling of 28053123 in words is "twenty-eight million, fifty-three thousand, one hundred twenty-three".