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23913223 is a prime number
BaseRepresentation
bin101101100111…
…0001100000111
31122222220202221
41123032030013
522110210343
62212313211
7410154565
oct133161407
948886687
1023913223
11125533a4
128012807
134c53649
143266a35
1521755ed
hex16ce307

23913223 has 2 divisors, whose sum is σ = 23913224. Its totient is φ = 23913222.

The previous prime is 23913187. The next prime is 23913247. The reversal of 23913223 is 32231932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23913223 - 29 = 23912711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23913283) 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, 11956611 + 11956612.

It is an arithmetic number, because the mean of its divisors is an integer number (11956612).

Almost surely, 223913223 is an apocalyptic number.

23913223 is a deficient number, since it is larger than the sum of its proper divisors (1).

23913223 is an equidigital number, since it uses as much as digits as its factorization.

23913223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

The square root of 23913223 is about 4890.1148248277. The cubic root of 23913223 is about 288.1018439645.

The spelling of 23913223 in words is "twenty-three million, nine hundred thirteen thousand, two hundred twenty-three".