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231423423230 = 25191218018017
BaseRepresentation
bin1101011110000111101…
…0010011001011111110
3211010100021222222110102
43113201322103023332
512242423344020410
6254151531041102
722501613432546
oct3274172231376
9733307888412
10231423423230
118a16754216a
1238a272a0192
1318a9157432c
14b2b55b8326
15604701d2a5
hex35e1e932fe

231423423230 has 16 divisors (see below), whose sum is σ = 438486486480. Its totient is φ = 87697297152.

The previous prime is 231423423223. The next prime is 231423423263. The reversal of 231423423230 is 32324324132.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231423423193 and 231423423202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609008819 + ... + 609009198.

It is an arithmetic number, because the mean of its divisors is an integer number (27405405405).

Almost surely, 2231423423230 is an apocalyptic number.

231423423230 is a deficient number, since it is larger than the sum of its proper divisors (207063063250).

231423423230 is a wasteful number, since it uses less digits than its factorization.

231423423230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218018043.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 231423423230 its reverse (32324324132), we get a palindrome (263747747362).

The spelling of 231423423230 in words is "two hundred thirty-one billion, four hundred twenty-three million, four hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 1218018017 2436036034 6090090085 12180180170 23142342323 46284684646 115711711615 231423423230