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23397469 is a prime number
BaseRepresentation
bin101100101000…
…0010001011101
31122000201021221
41121100101131
521442204334
62153253341
7402606124
oct131202135
948021257
1023397469
1112230957
127a04251
134b02974
143170abb
1520c28b4
hex165045d

23397469 has 2 divisors, whose sum is σ = 23397470. Its totient is φ = 23397468.

The previous prime is 23397443. The next prime is 23397481. The reversal of 23397469 is 96479332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23396569 + 900 = 4837^2 + 30^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23397469 is a prime.

It is a super-2 number, since 2×233974692 = 1094883111211922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23397419) 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, 11698734 + 11698735.

It is an arithmetic number, because the mean of its divisors is an integer number (11698735).

Almost surely, 223397469 is an apocalyptic number.

It is an amenable number.

23397469 is a deficient number, since it is larger than the sum of its proper divisors (1).

23397469 is an equidigital number, since it uses as much as digits as its factorization.

23397469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 23397469 is about 4837.0930319770. The cubic root of 23397469 is about 286.0155378130.

The spelling of 23397469 in words is "twenty-three million, three hundred ninety-seven thousand, four hundred sixty-nine".