23320587 has 12 divisors (see below), whose sum is σ = 32133480. Its totient is φ = 15043680.

The previous prime is 23320571. The next prime is 23320613. The reversal of 23320587 is 78502332.

It is not a de Polignac number, because 23320587 - 2⁴ = 23320571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23320537) 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, 1162 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (2677790).

Almost surely, 2^23320587 is an apocalyptic number.

23320587 is a deficient number, since it is larger than the sum of its proper divisors (8812893).

23320587 is an equidigital number, since it uses as much as digits as its factorization.

23320587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154 (or 8123 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 23320587 is about 4829.1393643174. The cubic root of 23320587 is about 285.7019201910.

The spelling of 23320587 in words is "twenty-three million, three hundred twenty thousand, five hundred eighty-seven".