Search a number
-
+
231411423 = 3431793887
BaseRepresentation
bin11011100101100…
…00111011011111
3121010102220210110
431302300323133
5433220131143
634543541103
75506651605
oct1562607337
9533386713
10231411423
11109697911
12655ba793
1338c34849
1422a3b875
15154b1533
hexdcb0edf

231411423 has 8 divisors (see below), whose sum is σ = 315724288. Its totient is φ = 150686424.

The previous prime is 231411419. The next prime is 231411437. The reversal of 231411423 is 324114132.

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

It is not a de Polignac number, because 231411423 - 22 = 231411419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231411423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231411413) 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, 896815 + ... + 897072.

It is an arithmetic number, because the mean of its divisors is an integer number (39465536).

Almost surely, 2231411423 is an apocalyptic number.

231411423 is a deficient number, since it is larger than the sum of its proper divisors (84312865).

231411423 is a wasteful number, since it uses less digits than its factorization.

231411423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793933.

The product of its digits is 576, while the sum is 21.

The square root of 231411423 is about 15212.2129553856. The cubic root of 231411423 is about 613.9433000866.

Adding to 231411423 its reverse (324114132), we get a palindrome (555525555).

The spelling of 231411423 in words is "two hundred thirty-one million, four hundred eleven thousand, four hundred twenty-three".

Divisors: 1 3 43 129 1793887 5381661 77137141 231411423