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23214431969 is a prime number
BaseRepresentation
bin10101100111101100…
…000001111011100001
32012220212001022221122
4111213230001323201
5340020343310334
614355313502025
71451163262451
oct254754017341
965825038848
1023214431969
119932a3a373
1245ba571915
13225c62a3a1
1411a3189d61
1590d06a32e
hex567b01ee1

23214431969 has 2 divisors, whose sum is σ = 23214431970. Its totient is φ = 23214431968.

The previous prime is 23214431939. The next prime is 23214432023. The reversal of 23214431969 is 96913441232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23205952225 + 8479744 = 152335^2 + 2912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23214431969 is a prime.

It is a super-2 number, since 2×232144319692 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23214431909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11607215984 + 11607215985.

It is an arithmetic number, because the mean of its divisors is an integer number (11607215985).

Almost surely, 223214431969 is an apocalyptic number.

It is an amenable number.

23214431969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23214431969 is an equidigital number, since it uses as much as digits as its factorization.

23214431969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The spelling of 23214431969 in words is "twenty-three billion, two hundred fourteen million, four hundred thirty-one thousand, nine hundred sixty-nine".