23087628 has 36 divisors (see below), whose sum is σ = 58578520. Its totient is φ = 7667136.

The previous prime is 23087627. The next prime is 23087629. The reversal of 23087628 is 82678032.

It is a happy number.

23087628 is a `hidden beast` number, since 23 + 0 + 8 + 7 + 628 = 666.

It is an interprime number because it is at equal distance from previous prime (23087627) and next prime (23087629).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23087592 and 23087601.

It is not an unprimeable number, because it can be changed into a prime (23087621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10008 + ... + 12096.

Almost surely, 2^23087628 is an apocalyptic number.

It is an amenable number.

23087628 is an abundant number, since it is smaller than the sum of its proper divisors (35490892).

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

23087628 is a wasteful number, since it uses less digits than its factorization.

23087628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 23087628 is about 4804.9586886882. The cubic root of 23087628 is about 284.7474031505.

The spelling of 23087628 in words is "twenty-three million, eighty-seven thousand, six hundred twenty-eight".