23308828 has 24 divisors (see below), whose sum is σ = 42011424. Its totient is φ = 11308800.

The previous prime is 23308811. The next prime is 23308829. The reversal of 23308828 is 82880332.

It is a junction number, because it is equal to n+sod(n) for n = 23308793 and 23308802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23308829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50776 + ... + 51232.

It is an arithmetic number, because the mean of its divisors is an integer number (1750476).

Almost surely, 2^23308828 is an apocalyptic number.

It is an amenable number.

23308828 is a deficient number, since it is larger than the sum of its proper divisors (18702596).

23308828 is a wasteful number, since it uses less digits than its factorization.

23308828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 23308828 is about 4827.9217060760. The cubic root of 23308828 is about 285.6538920445.

The spelling of 23308828 in words is "twenty-three million, three hundred eight thousand, eight hundred twenty-eight".