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23540371 is a prime number
BaseRepresentation
bin101100111001…
…1001010010011
31122021222022121
41121303022103
522011242441
62200315111
7404042551
oct131631223
948258277
1023540371
1112319258
127a72a97
134b52a1a
1431aabd1
1520eedd1
hex1673293

23540371 has 2 divisors, whose sum is σ = 23540372. Its totient is φ = 23540370.

The previous prime is 23540369. The next prime is 23540441. The reversal of 23540371 is 17304532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23540371 - 21 = 23540369 is a prime.

Together with 23540369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23540071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770185 + 11770186.

It is an arithmetic number, because the mean of its divisors is an integer number (11770186).

Almost surely, 223540371 is an apocalyptic number.

23540371 is a deficient number, since it is larger than the sum of its proper divisors (1).

23540371 is an equidigital number, since it uses as much as digits as its factorization.

23540371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 23540371 is about 4851.8420213358. The cubic root of 23540371 is about 286.5966443060.

The spelling of 23540371 in words is "twenty-three million, five hundred forty thousand, three hundred seventy-one".