23030287 has 4 divisors (see below), whose sum is σ = 26320336. Its totient is φ = 19740240.

The previous prime is 23030281. The next prime is 23030297. The reversal of 23030287 is 78203032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23030287 - 2¹⁵ = 22997519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645014 + ... + 1645027.

It is an arithmetic number, because the mean of its divisors is an integer number (6580084).

Almost surely, 2^23030287 is an apocalyptic number.

23030287 is a deficient number, since it is larger than the sum of its proper divisors (3290049).

23030287 is an equidigital number, since it uses as much as digits as its factorization.

23030287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290048.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23030287 is about 4798.9881225108. The cubic root of 23030287 is about 284.5114725066.

The spelling of 23030287 in words is "twenty-three million, thirty thousand, two hundred eighty-seven".