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23313413 is a prime number
BaseRepresentation
bin101100011101…
…1110000000101
31121212102222202
41120323300011
521432012123
62151404245
7402106064
oct130736005
947772882
1023313413
1112183792
127983685
134aa3626
14314c1db
1520a7a28
hex163bc05

23313413 has 2 divisors, whose sum is σ = 23313414. Its totient is φ = 23313412.

The previous prime is 23313383. The next prime is 23313431. The reversal of 23313413 is 31431332.

Together with next prime (23313431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17447329 + 5866084 = 4177^2 + 2422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23313413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656706 + 11656707.

It is an arithmetic number, because the mean of its divisors is an integer number (11656707).

Almost surely, 223313413 is an apocalyptic number.

It is an amenable number.

23313413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313413 is an equidigital number, since it uses as much as digits as its factorization.

23313413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 20.

The square root of 23313413 is about 4828.3965247274. The cubic root of 23313413 is about 285.6726208173.

Adding to 23313413 its reverse (31431332), we get a palindrome (54744745).

It can be divided in two parts, 23313 and 413, that multiplied together give a palindrome (9628269).

The spelling of 23313413 in words is "twenty-three million, three hundred thirteen thousand, four hundred thirteen".