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231423360 = 2735767257
BaseRepresentation
bin11011100101100…
…11110110000000
3121010110112011120
431302303312000
5433221021420
634544112240
75510031450
oct1562636600
9533415146
10231423360
111096a5883
1265605680
1338c3a0cc
1422a41d60
15154b4d40
hexdcb3d80

231423360 has 256 divisors, whose sum is σ = 858954240. Its totient is φ = 51904512.

The previous prime is 231423341. The next prime is 231423391. The reversal of 231423360 is 63324132.

231423360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 231423360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900352 + ... + 900608.

It is an arithmetic number, because the mean of its divisors is an integer number (3355290).

Almost surely, 2231423360 is an apocalyptic number.

231423360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231423360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429477120).

231423360 is an abundant number, since it is smaller than the sum of its proper divisors (627530880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231423360 is a wasteful number, since it uses less digits than its factorization.

231423360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 231423360 is about 15212.6052995534. The cubic root of 231423360 is about 613.9538563433.

Adding to 231423360 its reverse (63324132), we get a palindrome (294747492).

The spelling of 231423360 in words is "two hundred thirty-one million, four hundred twenty-three thousand, three hundred sixty".