247326423 has 4 divisors (see below), whose sum is σ = 329768568. Its totient is φ = 164884280.

The previous prime is 247326371. The next prime is 247326433. The reversal of 247326423 is 324623742.

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 247326423 - 2¹⁴ = 247310039 is a prime.

It is a super-2 number, since 2×247326423² = 122340719027949858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247326433) 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, 41221068 + ... + 41221073.

It is an arithmetic number, because the mean of its divisors is an integer number (82442142).

Almost surely, 2^247326423 is an apocalyptic number.

247326423 is a deficient number, since it is larger than the sum of its proper divisors (82442145).

247326423 is an equidigital number, since it uses as much as digits as its factorization.

247326423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82442144.

The product of its digits is 48384, while the sum is 33.

The square root of 247326423 is about 15726.6151157838. The cubic root of 247326423 is about 627.7068078095.

The spelling of 247326423 in words is "two hundred forty-seven million, three hundred twenty-six thousand, four hundred twenty-three".