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23183129 is a prime number
BaseRepresentation
bin101100001101…
…1111100011001
31121121211021102
41120123330121
521413330004
62144521145
7401024204
oct130337431
947554242
1023183129
11120a4912
1279201b5
134a59238
14311693b
15207e11e
hex161bf19

23183129 has 2 divisors, whose sum is σ = 23183130. Its totient is φ = 23183128.

The previous prime is 23183117. The next prime is 23183131. The reversal of 23183129 is 92138132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15784729 + 7398400 = 3973^2 + 2720^2 .

It is a cyclic number.

It is not a de Polignac number, because 23183129 - 224 = 6405913 is a prime.

Together with 23183131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23183159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11591564 + 11591565.

It is an arithmetic number, because the mean of its divisors is an integer number (11591565).

Almost surely, 223183129 is an apocalyptic number.

It is an amenable number.

23183129 is a deficient number, since it is larger than the sum of its proper divisors (1).

23183129 is an equidigital number, since it uses as much as digits as its factorization.

23183129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 23183129 is about 4814.8861876476. The cubic root of 23183129 is about 285.1394782557.

The spelling of 23183129 in words is "twenty-three million, one hundred eighty-three thousand, one hundred twenty-nine".