23480287 has 4 divisors (see below), whose sum is σ = 23502976. Its totient is φ = 23457600.

The previous prime is 23480269. The next prime is 23480323. The reversal of 23480287 is 78208432.

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 23480287 - 2⁷ = 23480159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23480207) 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, 9714 + ... + 11887.

It is an arithmetic number, because the mean of its divisors is an integer number (5875744).

Almost surely, 2^23480287 is an apocalyptic number.

23480287 is a deficient number, since it is larger than the sum of its proper divisors (22689).

23480287 is a wasteful number, since it uses less digits than its factorization.

23480287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22688.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 23480287 is about 4845.6461901381. The cubic root of 23480287 is about 286.3526019310.

The spelling of 23480287 in words is "twenty-three million, four hundred eighty thousand, two hundred eighty-seven".