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23456669 is a prime number
BaseRepresentation
bin101100101111…
…0101110011101
31122010201111112
41121132232131
522001103134
62154431405
7403243535
oct131365635
948121445
1023456669
1112271385
127a32565
134b238b2
1431884c5
1520d51ce
hex165eb9d

23456669 has 2 divisors, whose sum is σ = 23456670. Its totient is φ = 23456668.

The previous prime is 23456627. The next prime is 23456681. The reversal of 23456669 is 96665432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15960025 + 7496644 = 3995^2 + 2738^2 .

It is a cyclic number.

It is not a de Polignac number, because 23456669 - 212 = 23452573 is a prime.

It is a super-2 number, since 2×234566692 = 1100430641151122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23456569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11728334 + 11728335.

It is an arithmetic number, because the mean of its divisors is an integer number (11728335).

Almost surely, 223456669 is an apocalyptic number.

It is an amenable number.

23456669 is a deficient number, since it is larger than the sum of its proper divisors (1).

23456669 is an equidigital number, since it uses as much as digits as its factorization.

23456669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 23456669 is about 4843.2085439304. The cubic root of 23456669 is about 286.2565590305.

The spelling of 23456669 in words is "twenty-three million, four hundred fifty-six thousand, six hundred sixty-nine".