23087028 has 24 divisors (see below), whose sum is σ = 53972800. Its totient is φ = 7680960.

The previous prime is 23087017. The next prime is 23087083. The reversal of 23087028 is 82078032.

It is a junction number, because it is equal to n+sod(n) for n = 23086986 and 23087004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6048 + ... + 9096.

Almost surely, 2^23087028 is an apocalyptic number.

It is an amenable number.

23087028 is an abundant number, since it is smaller than the sum of its proper divisors (30885772).

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

23087028 is a wasteful number, since it uses less digits than its factorization.

23087028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 23087028 is about 4804.8962527822. The cubic root of 23087028 is about 284.7449364625.

The spelling of 23087028 in words is "twenty-three million, eighty-seven thousand, twenty-eight".