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1431423423 = 322310764627
BaseRepresentation
bin101010101010001…
…1100100110111111
310200202110211210100
41111110130212333
510412421022143
6354012212143
750320620063
oct12524344677
93622424710
101431423423
11675001671
1233b46a053
1319a731611
14d8171aa3
1585a006d3
hex5551c9bf

1431423423 has 24 divisors (see below), whose sum is σ = 2177705088. Its totient is φ = 904246992.

The previous prime is 1431423421. The next prime is 1431423439. The reversal of 1431423423 is 3243241341.

1431423423 is a `hidden beast` number, since 1 + 4 + 314 + 2 + 342 + 3 = 666.

It is not a de Polignac number, because 1431423423 - 21 = 1431423421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431423421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10165 + ... + 54462.

It is an arithmetic number, because the mean of its divisors is an integer number (90737712).

Almost surely, 21431423423 is an apocalyptic number.

1431423423 is a deficient number, since it is larger than the sum of its proper divisors (746281665).

1431423423 is a wasteful number, since it uses less digits than its factorization.

1431423423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64763 (or 64760 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1431423423 is about 37834.1568295106. The cubic root of 1431423423 is about 1126.9968612025.

Adding to 1431423423 its reverse (3243241341), we get a palindrome (4674664764).

The spelling of 1431423423 in words is "one billion, four hundred thirty-one million, four hundred twenty-three thousand, four hundred twenty-three".

Divisors: 1 3 9 23 69 107 207 321 963 2461 7383 22149 64627 193881 581643 1486421 4459263 6915089 13377789 20745267 62235801 159047047 477141141 1431423423