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423340431441 = 31917342930781
BaseRepresentation
bin1100010100100010000…
…11100101100001010001
31111110201022201010201120
412022101003211201101
523414000122301231
6522251354352453
742404525203044
oct6122103454121
91443638633646
10423340431441
111535a0700a64
126a067a2b729
1330bc80b3315
14166bdd8ac5b
15b02aa51d96
hex62910e5851

423340431441 has 16 divisors (see below), whose sum is σ = 597596485440. Its totient is φ = 265827389760.

The previous prime is 423340431431. The next prime is 423340431461. The reversal of 423340431441 is 144134043324.

It is not a de Polignac number, because 423340431441 - 27 = 423340431313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423340431431) 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, 21455530 + ... + 21475251.

It is an arithmetic number, because the mean of its divisors is an integer number (37349780340).

Almost surely, 2423340431441 is an apocalyptic number.

It is an amenable number.

423340431441 is a deficient number, since it is larger than the sum of its proper divisors (174256053999).

423340431441 is a wasteful number, since it uses less digits than its factorization.

423340431441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42930976.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 423340431441 its reverse (144134043324), we get a palindrome (567474474765).

The spelling of 423340431441 in words is "four hundred twenty-three billion, three hundred forty million, four hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 3 19 57 173 519 3287 9861 42930781 128792343 815684839 2447054517 7427025113 22281075339 141113477147 423340431441