28416723 has 16 divisors (see below), whose sum is σ = 41260800. Its totient is φ = 17327520.

The previous prime is 28416709. The next prime is 28416737. The reversal of 28416723 is 32761482.

It is an interprime number because it is at equal distance from previous prime (28416709) and next prime (28416737).

It is not a de Polignac number, because 28416723 - 2⁵ = 28416691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28416023) 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, 6943 + ... + 10248.

It is an arithmetic number, because the mean of its divisors is an integer number (2578800).

Almost surely, 2^28416723 is an apocalyptic number.

28416723 is a deficient number, since it is larger than the sum of its proper divisors (12844077).

28416723 is a wasteful number, since it uses less digits than its factorization.

28416723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17242.

The product of its digits is 16128, while the sum is 33.

The square root of 28416723 is about 5330.7338144012. The cubic root of 28416723 is about 305.1579330766.

The spelling of 28416723 in words is "twenty-eight million, four hundred sixteen thousand, seven hundred twenty-three".