23280087 has 16 divisors (see below), whose sum is σ = 32481792. Its totient is φ = 14815680.

The previous prime is 23280083. The next prime is 23280109. The reversal of 23280087 is 78008232.

It is not a de Polignac number, because 23280087 - 2² = 23280083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23280083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3768 + ... + 7794.

It is an arithmetic number, because the mean of its divisors is an integer number (2030112).

Almost surely, 2^23280087 is an apocalyptic number.

23280087 is a deficient number, since it is larger than the sum of its proper divisors (9201705).

23280087 is a wasteful number, since it uses less digits than its factorization.

23280087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118.

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

The square root of 23280087 is about 4824.9442483826. The cubic root of 23280087 is about 285.5364350411.

The spelling of 23280087 in words is "twenty-three million, two hundred eighty thousand, eighty-seven".