247143230 has 8 divisors (see below), whose sum is σ = 444857832. Its totient is φ = 98857288.

The previous prime is 247143227. The next prime is 247143233. The reversal of 247143230 is 32341742.

It is an interprime number because it is at equal distance from previous prime (247143227) and next prime (247143233).

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

It is a super-2 number, since 2×247143230² = 122159552269665800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247143230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247143233) 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, 12357152 + ... + 12357171.

It is an arithmetic number, because the mean of its divisors is an integer number (55607229).

Almost surely, 2^247143230 is an apocalyptic number.

247143230 is a deficient number, since it is larger than the sum of its proper divisors (197714602).

247143230 is a wasteful number, since it uses less digits than its factorization.

247143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24714330.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 247143230 is about 15720.7897384324. The cubic root of 247143230 is about 627.5517901414.

Adding to 247143230 its reverse (32341742), we get a palindrome (279484972).

The spelling of 247143230 in words is "two hundred forty-seven million, one hundred forty-three thousand, two hundred thirty".