23506028 has 24 divisors (see below), whose sum is σ = 50629152. Its totient is φ = 9298944.

The previous prime is 23506009. The next prime is 23506061. The reversal of 23506028 is 82060532.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 23505988 and 23506006.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31925 + ... + 32652.

It is an arithmetic number, because the mean of its divisors is an integer number (2109548).

Almost surely, 2^23506028 is an apocalyptic number.

23506028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23506028 is an abundant number, since it is smaller than the sum of its proper divisors (27123124).

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

23506028 is a wasteful number, since it uses less digits than its factorization.

23506028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64601 (or 64599 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 23506028 is about 4848.3015582779. The cubic root of 23506028 is about 286.4572047183.

The spelling of 23506028 in words is "twenty-three million, five hundred six thousand, twenty-eight".