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12202423 is a prime number
BaseRepresentation
bin101110100011…
…000110110111
3211221221120121
4232203012313
511110434143
61113312411
7205501402
oct56430667
924857517
1012202423
116984952
124105707
1326b318c
141898d39
1511107ed
hexba31b7

12202423 has 2 divisors, whose sum is σ = 12202424. Its totient is φ = 12202422.

The previous prime is 12202381. The next prime is 12202429. The reversal of 12202423 is 32420221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12202423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202397 and 12202406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101211 + 6101212.

It is an arithmetic number, because the mean of its divisors is an integer number (6101212).

Almost surely, 212202423 is an apocalyptic number.

12202423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202423 is an equidigital number, since it uses as much as digits as its factorization.

12202423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12202423 is about 3493.1966735356. The cubic root of 12202423 is about 230.2229910438. Note that the first 3 decimals are identical.

Adding to 12202423 its reverse (32420221), we get a palindrome (44622644).

The spelling of 12202423 in words is "twelve million, two hundred two thousand, four hundred twenty-three".