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23315269 is a prime number
BaseRepresentation
bin101100011110…
…0001101000101
31121212112112111
41120330031011
521432042034
62151421021
7402114355
oct130741505
947775474
1023315269
111218511a
127984771
134aa4423
14314cb65
1520a8364
hex163c345

23315269 has 2 divisors, whose sum is σ = 23315270. Its totient is φ = 23315268.

The previous prime is 23315267. The next prime is 23315273. The reversal of 23315269 is 96251332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 131044 = 4815^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 23315269 - 21 = 23315267 is a prime.

It is a super-2 number, since 2×233152692 = 1087203537084722, which contains 22 as substring.

Together with 23315267, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23315269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23315267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11657634 + 11657635.

It is an arithmetic number, because the mean of its divisors is an integer number (11657635).

Almost surely, 223315269 is an apocalyptic number.

It is an amenable number.

23315269 is a deficient number, since it is larger than the sum of its proper divisors (1).

23315269 is an equidigital number, since it uses as much as digits as its factorization.

23315269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 23315269 is about 4828.5887172133. The cubic root of 23315269 is about 285.6802014936.

The spelling of 23315269 in words is "twenty-three million, three hundred fifteen thousand, two hundred sixty-nine".