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23957047 is a prime number
BaseRepresentation
bin101101101100…
…0111000110111
31200002010220001
41123120320313
522113111142
62213252131
7410426422
oct133307067
950063801
1023957047
1112583314
128034047
134c6a58a
1432789b9
1521835b7
hex16d8e37

23957047 has 2 divisors, whose sum is σ = 23957048. Its totient is φ = 23957046.

The previous prime is 23957027. The next prime is 23957077. The reversal of 23957047 is 74075932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23957047 - 223 = 15568439 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23956997 and 23957015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23957027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978523 + 11978524.

It is an arithmetic number, because the mean of its divisors is an integer number (11978524).

Almost surely, 223957047 is an apocalyptic number.

23957047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23957047 is an equidigital number, since it uses as much as digits as its factorization.

23957047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 23957047 is about 4894.5936501409. The cubic root of 23957047 is about 288.2777308964.

The spelling of 23957047 in words is "twenty-three million, nine hundred fifty-seven thousand, forty-seven".