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23417969 is a prime number
BaseRepresentation
bin101100101010…
…1010001110001
31122001202102012
41121111101301
521443333334
62153532305
7403022651
oct131252161
948052365
1023417969
11122452a3
127a14095
134b0c0b3
143178361
1520c89ce
hex1655471

23417969 has 2 divisors, whose sum is σ = 23417970. Its totient is φ = 23417968.

The previous prime is 23417941. The next prime is 23417971. The reversal of 23417969 is 96971432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14938225 + 8479744 = 3865^2 + 2912^2 .

It is a cyclic number.

It is not a de Polignac number, because 23417969 - 220 = 22369393 is a prime.

It is a super-2 number, since 2×234179692 = 1096802544169922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 23417971, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23410969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11708984 + 11708985.

It is an arithmetic number, because the mean of its divisors is an integer number (11708985).

Almost surely, 223417969 is an apocalyptic number.

It is an amenable number.

23417969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23417969 is an equidigital number, since it uses as much as digits as its factorization.

23417969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 23417969 is about 4839.2116093430. The cubic root of 23417969 is about 286.0990455199.

The spelling of 23417969 in words is "twenty-three million, four hundred seventeen thousand, nine hundred sixty-nine".