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23265791 is a prime number
BaseRepresentation
bin101100011000…
…0000111111111
31121210000122222
41120300013333
521424001131
62150355555
7401520203
oct130600777
947700588
1023265791
1112150a2a
12795bbbb
134a87a53
143138b03
15209887b
hex16301ff

23265791 has 2 divisors, whose sum is σ = 23265792. Its totient is φ = 23265790.

The previous prime is 23265787. The next prime is 23265793. The reversal of 23265791 is 19756232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23265791 - 22 = 23265787 is a prime.

Together with 23265793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23265793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11632895 + 11632896.

It is an arithmetic number, because the mean of its divisors is an integer number (11632896).

Almost surely, 223265791 is an apocalyptic number.

23265791 is a deficient number, since it is larger than the sum of its proper divisors (1).

23265791 is an equidigital number, since it uses as much as digits as its factorization.

23265791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 23265791 is about 4823.4625529800. The cubic root of 23265791 is about 285.4779749971.

The spelling of 23265791 in words is "twenty-three million, two hundred sixty-five thousand, seven hundred ninety-one".