23028550 has 12 divisors (see below), whose sum is σ = 42833196. Its totient is φ = 9211400.

The previous prime is 23028527. The next prime is 23028569. The reversal of 23028550 is 5582032.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230236 + ... + 230335.

It is an arithmetic number, because the mean of its divisors is an integer number (3569433).

Almost surely, 2^23028550 is an apocalyptic number.

23028550 is a deficient number, since it is larger than the sum of its proper divisors (19804646).

23028550 is a wasteful number, since it uses less digits than its factorization.

23028550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460583 (or 460578 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 23028550 is about 4798.8071434472. The cubic root of 23028550 is about 284.5043194788.

The spelling of 23028550 in words is "twenty-three million, twenty-eight thousand, five hundred fifty".