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12353404939 is a prime number
BaseRepresentation
bin10111000000101001…
…00000000000001011
31011212221002222210021
423200110200000023
5200244432424224
65401452201311
7615062131561
oct134024400013
934787088707
1012353404939
11526a1a1a77
122489169237
13121b440785
14852933a31
154c47cd1e4
hex2e052000b

12353404939 has 2 divisors, whose sum is σ = 12353404940. Its totient is φ = 12353404938.

The previous prime is 12353404937. The next prime is 12353404951. The reversal of 12353404939 is 93940435321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12353404939 - 21 = 12353404937 is a prime.

It is a super-2 number, since 2×123534049392 (a number of 21 digits) contains 22 as substring.

Together with 12353404937, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12353404895 and 12353404904.

It is not a weakly prime, because it can be changed into another prime (12353404937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6176702469 + 6176702470.

It is an arithmetic number, because the mean of its divisors is an integer number (6176702470).

Almost surely, 212353404939 is an apocalyptic number.

12353404939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12353404939 is an equidigital number, since it uses as much as digits as its factorization.

12353404939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 12353404939 in words is "twelve billion, three hundred fifty-three million, four hundred four thousand, nine hundred thirty-nine".