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12423203041 = 13194833611
BaseRepresentation
bin10111001000111101…
…10000100011100001
31012001210110002210011
423210132300203201
5200420314444131
65412424204521
7616600324564
oct134436604341
935053402704
1012423203041
1152a5635357
1224a8609741
13122ca3b422
1485bd024db
154ca9b90b1
hex2e47b08e1

12423203041 has 4 divisors (see below), whose sum is σ = 12518036784. Its totient is φ = 12328369300.

The previous prime is 12423203011. The next prime is 12423203069. The reversal of 12423203041 is 14030232421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14030232421 = 28614903961.

It is a cyclic number.

It is not a de Polignac number, because 12423203041 - 231 = 10275719393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423203011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47416675 + ... + 47416936.

It is an arithmetic number, because the mean of its divisors is an integer number (3129509196).

Almost surely, 212423203041 is an apocalyptic number.

It is an amenable number.

12423203041 is a deficient number, since it is larger than the sum of its proper divisors (94833743).

12423203041 is an equidigital number, since it uses as much as digits as its factorization.

12423203041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94833742.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12423203041 its reverse (14030232421), we get a palindrome (26453435462).

The spelling of 12423203041 in words is "twelve billion, four hundred twenty-three million, two hundred three thousand, forty-one".

Divisors: 1 131 94833611 12423203041