23028616 has 24 divisors (see below), whose sum is σ = 46758330. Its totient is φ = 10627968.

The previous prime is 23028611. The next prime is 23028619. The reversal of 23028616 is 61682032.

It can be written as a sum of positive squares in 3 ways, for example, as 8236900 + 14791716 = 2870^2 + 3846^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23028611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7165 + ... + 9868.

Almost surely, 2^23028616 is an apocalyptic number.

23028616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23028616 is an abundant number, since it is smaller than the sum of its proper divisors (23729714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23028616 is a wasteful number, since it uses less digits than its factorization.

23028616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17065 (or 17048 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 23028616 is about 4798.8140201512. The cubic root of 23028616 is about 284.5045912757.

The spelling of 23028616 in words is "twenty-three million, twenty-eight thousand, six hundred sixteen".