28114723 has 16 divisors (see below), whose sum is σ = 34727616. Its totient is φ = 22164480.

The previous prime is 28114721. The next prime is 28114747. The reversal of 28114723 is 32741182.

It is not a de Polignac number, because 28114723 - 2¹ = 28114721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28114691 and 28114700.

It is not an unprimeable number, because it can be changed into a prime (28114721) 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, 47115 + ... + 47707.

It is an arithmetic number, because the mean of its divisors is an integer number (2170476).

Almost surely, 2^28114723 is an apocalyptic number.

28114723 is a deficient number, since it is larger than the sum of its proper divisors (6612893).

28114723 is a wasteful number, since it uses less digits than its factorization.

28114723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its digits is 2688, while the sum is 28.

The square root of 28114723 is about 5302.3318455185. The cubic root of 28114723 is about 304.0730542054.

The spelling of 28114723 in words is "twenty-eight million, one hundred fourteen thousand, seven hundred twenty-three".