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243100023 = 3349923159
BaseRepresentation
bin11100111110101…
…10100101110111
3121221102202112120
432133112211313
5444213200043
640042251023
76011213265
oct1637264567
9557382476
10243100023
11115250711
12694b6a73
133b497b8a
1424401435
151651e983
hexe7d6977

243100023 has 8 divisors (see below), whose sum is σ = 324240000. Its totient is φ = 162013368.

The previous prime is 243100007. The next prime is 243100037. The reversal of 243100023 is 320001342.

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

It is not a de Polignac number, because 243100023 - 24 = 243100007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243099975 and 243100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243100043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083 + ... + 22076.

It is an arithmetic number, because the mean of its divisors is an integer number (40530000).

Almost surely, 2243100023 is an apocalyptic number.

243100023 is a deficient number, since it is larger than the sum of its proper divisors (81139977).

243100023 is a wasteful number, since it uses less digits than its factorization.

243100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26661.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 243100023 is about 15591.6651772670. The cubic root of 243100023 is about 624.1107550161.

Adding to 243100023 its reverse (320001342), we get a palindrome (563101365).

The spelling of 243100023 in words is "two hundred forty-three million, one hundred thousand, twenty-three".

Divisors: 1 3 3499 10497 23159 69477 81033341 243100023