23247 has 20 divisors (see below), whose sum is σ = 40656. Its totient is φ = 12960.

The previous prime is 23227. The next prime is 23251. The reversal of 23247 is 74232.

It is a happy number.

It is not a de Polignac number, because 23247 - 2¹⁴ = 6863 is a prime.

It is a plaindrome in base 16.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 547 + ... + 587.

2²³²⁴⁷ is an apocalyptic number.

23247 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23247 is a deficient number, since it is larger than the sum of its proper divisors (17409).

23247 is an equidigital number, since it uses as much as digits as its factorization.

23247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 51 counting only the distinct ones).

The product of its digits is 336, while the sum is 18.

The square root of 23247 is about 152.4696691149. The cubic root of 23247 is about 28.5401097297.

Adding to 23247 its reverse (74232), we get a palindrome (97479).

It can be divided in two parts, 2 and 3247, that added together give a square (3249 = 57²).

The spelling of 23247 in words is "twenty-three thousand, two hundred forty-seven", and thus it is an iban number.