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431444230123 = 4149164333331
BaseRepresentation
bin1100100011101000001…
…01000111111111101011
31112020122002102202122111
412101310011013333223
524032044210330443
6530111443103151
743112406306214
oct6216405077753
91466562382574
10431444230123
11156a7a024945
126b749971ab7
13318b9c99c7a
1416c4c35440b
15b35220269d
hex6474147feb

431444230123 has 16 divisors (see below), whose sum is σ = 443569456512. Its totient is φ = 419398056000.

The previous prime is 431444230093. The next prime is 431444230157. The reversal of 431444230123 is 321032444134.

It is a cyclic number.

It is not a de Polignac number, because 431444230123 - 29 = 431444229611 is a prime.

It is a super-3 number, since 3×4314442301233 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (431444230183) 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, 12927568 + ... + 12960898.

It is an arithmetic number, because the mean of its divisors is an integer number (27723091032).

Almost surely, 2431444230123 is an apocalyptic number.

431444230123 is a deficient number, since it is larger than the sum of its proper divisors (12125226389).

431444230123 is a wasteful number, since it uses less digits than its factorization.

431444230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34506.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 431444230123 its reverse (321032444134), we get a palindrome (752476674257).

The spelling of 431444230123 in words is "four hundred thirty-one billion, four hundred forty-four million, two hundred thirty thousand, one hundred twenty-three".

Divisors: 1 41 491 643 20131 26363 33331 315713 1366571 12944233 16365521 21431833 670986361 878705153 10523030003 431444230123