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23671969 is a prime number
BaseRepresentation
bin101101001001…
…1010010100001
31122112122211121
41122103102201
522030000334
62203212241
7405131326
oct132232241
948478747
1023671969
11123a9112
127b17081
134b9a8a9
143202b4d
152128db4
hex16934a1

23671969 has 2 divisors, whose sum is σ = 23671970. Its totient is φ = 23671968.

The previous prime is 23671957. The next prime is 23671981. The reversal of 23671969 is 96917632.

It is a balanced prime because it is at equal distance from previous prime (23671957) and next prime (23671981).

It can be written as a sum of positive squares in only one way, i.e., 23232400 + 439569 = 4820^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 23671969 - 25 = 23671937 is a prime.

It is a super-2 number, since 2×236719692 = 1120724232673922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23671909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11835984 + 11835985.

It is an arithmetic number, because the mean of its divisors is an integer number (11835985).

Almost surely, 223671969 is an apocalyptic number.

It is an amenable number.

23671969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23671969 is an equidigital number, since it uses as much as digits as its factorization.

23671969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 23671969 is about 4865.3847740955. The cubic root of 23671969 is about 287.1297070194.

The spelling of 23671969 in words is "twenty-three million, six hundred seventy-one thousand, nine hundred sixty-nine".