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23540773 is a prime number
BaseRepresentation
bin101100111001…
…1010000100101
31122021222212111
41121303100211
522011301043
62200321021
7404043664
oct131632045
948258774
1023540773
1112319593
127a73171
134b52c69
1431aaddb
15210009d
hex1673425

23540773 has 2 divisors, whose sum is σ = 23540774. Its totient is φ = 23540772.

The previous prime is 23540771. The next prime is 23540809. The reversal of 23540773 is 37704532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21178404 + 2362369 = 4602^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 23540773 - 21 = 23540771 is a prime.

Together with 23540771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23540771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770386 + 11770387.

It is an arithmetic number, because the mean of its divisors is an integer number (11770387).

Almost surely, 223540773 is an apocalyptic number.

It is an amenable number.

23540773 is a deficient number, since it is larger than the sum of its proper divisors (1).

23540773 is an equidigital number, since it uses as much as digits as its factorization.

23540773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 23540773 is about 4851.8834487238. The cubic root of 23540773 is about 286.5982757048.

The spelling of 23540773 in words is "twenty-three million, five hundred forty thousand, seven hundred seventy-three".