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231423443013333 = 33715607133587229
BaseRepresentation
bin110100100111101001111000…
…000111010000111011010101
31010100101212100122111002011110
4310213221320013100323111
5220313120202402411313
62140110243444325233
766513535441003524
oct6447517007207325
91110355318432143
10231423443013333
116781414942557a
1221b574b69a3819
139c191a20b59cc
144120d50c684bb
151bb4cc5145ec3
hexd27a781d0ed5

231423443013333 has 16 divisors (see below), whose sum is σ = 316924481847680. Its totient is φ = 150102884172096.

The previous prime is 231423443013293. The next prime is 231423443013403. The reversal of 231423443013333 is 333310344324132.

It is not a de Polignac number, because 231423443013333 - 216 = 231423442947797 is a prime.

It is a super-2 number, since 2×2314234430133332 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231423443013291 and 231423443013300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231423443813333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65061238 + ... + 68525991.

It is an arithmetic number, because the mean of its divisors is an integer number (19807780115480).

Almost surely, 2231423443013333 is an apocalyptic number.

It is an amenable number.

231423443013333 is a deficient number, since it is larger than the sum of its proper divisors (85501038834347).

231423443013333 is a wasteful number, since it uses less digits than its factorization.

231423443013333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133602876.

The product of its (nonzero) digits is 559872, while the sum is 39.

Adding to 231423443013333 its reverse (333310344324132), we get a palindrome (564733787337465).

The spelling of 231423443013333 in words is "two hundred thirty-one trillion, four hundred twenty-three billion, four hundred forty-three million, thirteen thousand, three hundred thirty-three".

Divisors: 1 3 37 111 15607 46821 577459 1732377 133587229 400761687 4942727473 14828182419 2084895883003 6254687649009 77141147671111 231423443013333