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23143323134 = 211571661567
BaseRepresentation
bin10101100011011100…
…110001010111111110
32012201220020121222002
4111203130301113332
5334344142320014
614344253422302
71446341000201
oct254334612776
965656217862
1023143323134
1198a6891238
12459a79a992
13224a990c59
141197959938
15906bc0dde
hex5637315fe

23143323134 has 4 divisors (see below), whose sum is σ = 34714984704. Its totient is φ = 11571661566.

The previous prime is 23143323109. The next prime is 23143323139. The reversal of 23143323134 is 43132334132.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×231433231342 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23143323097 and 23143323106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143323139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785830782 + ... + 5785830785.

It is an arithmetic number, because the mean of its divisors is an integer number (8678746176).

Almost surely, 223143323134 is an apocalyptic number.

23143323134 is a deficient number, since it is larger than the sum of its proper divisors (11571661570).

23143323134 is a wasteful number, since it uses less digits than its factorization.

23143323134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571661569.

The product of its digits is 15552, while the sum is 29.

Adding to 23143323134 its reverse (43132334132), we get a palindrome (66275657266).

The spelling of 23143323134 in words is "twenty-three billion, one hundred forty-three million, three hundred twenty-three thousand, one hundred thirty-four".

Divisors: 1 2 11571661567 23143323134