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23019313 is a prime number
BaseRepresentation
bin101011111001…
…1111100110001
31121022111120011
41113303330301
521343104223
62141214521
7366442462
oct127637461
947274504
1023019313
1111aa2829
127861441
1349cc7c5
1430b2d69
15204a80d
hex15f3f31

23019313 has 2 divisors, whose sum is σ = 23019314. Its totient is φ = 23019312.

The previous prime is 23019307. The next prime is 23019371. The reversal of 23019313 is 31391032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 11343424 = 3417^2 + 3368^2 .

It is a cyclic number.

It is not a de Polignac number, because 23019313 - 25 = 23019281 is a prime.

It is not a weakly prime, because it can be changed into another prime (23019413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11509656 + 11509657.

It is an arithmetic number, because the mean of its divisors is an integer number (11509657).

Almost surely, 223019313 is an apocalyptic number.

It is an amenable number.

23019313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23019313 is an equidigital number, since it uses as much as digits as its factorization.

23019313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 23019313 is about 4797.8446202436. The cubic root of 23019313 is about 284.4662751404.

It can be divided in two parts, 23019 and 313, that added together give a palindrome (23332).

The spelling of 23019313 in words is "twenty-three million, nineteen thousand, three hundred thirteen".