247323 has 8 divisors (see below), whose sum is σ = 347200. Its totient is φ = 156168.

The previous prime is 247309. The next prime is 247337. The reversal of 247323 is 323742.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (247309) and next prime (247337).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 247323 - 2⁶ = 247259 is a prime.

It is a super-2 number, since 2×247323² = 122337332658, which contains 22 as substring.

It is a Duffinian number.

247323 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 247323.

It is not an unprimeable number, because it can be changed into a prime (247343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (43400).

2²⁴⁷³²³ is an apocalyptic number.

247323 is a deficient number, since it is larger than the sum of its proper divisors (99877).

247323 is a wasteful number, since it uses less digits than its factorization.

247323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361.

The product of its digits is 1008, while the sum is 21.

The square root of 247323 is about 497.3157950438. The cubic root of 247323 is about 62.7703911973.

The spelling of 247323 in words is "two hundred forty-seven thousand, three hundred twenty-three", and thus it is an iban number.