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23212373 is a prime number
BaseRepresentation
bin101100010001…
…1000101010101
31121200022101112
41120203011111
521420243443
62145304405
7401205362
oct130430525
947608345
1023212373
1112114888
127935105
134a69642
143123469
152087b18
hex1623155

23212373 has 2 divisors, whose sum is σ = 23212374. Its totient is φ = 23212372.

The previous prime is 23212349. The next prime is 23212379. The reversal of 23212373 is 37321232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21464689 + 1747684 = 4633^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212373 - 218 = 22950229 is a prime.

It is a super-2 number, since 2×232123732 = 1077628520582258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23212379) 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, 11606186 + 11606187.

It is an arithmetic number, because the mean of its divisors is an integer number (11606187).

Almost surely, 223212373 is an apocalyptic number.

It is an amenable number.

23212373 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212373 is an equidigital number, since it uses as much as digits as its factorization.

23212373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 23.

The square root of 23212373 is about 4817.9220624663. The cubic root of 23212373 is about 285.2593228080.

The spelling of 23212373 in words is "twenty-three million, two hundred twelve thousand, three hundred seventy-three".