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12423340312303 = 192719240478123
BaseRepresentation
bin1011010011001000100011…
…0010010100011011101111
31121222122210221120012002111
42310302020302110123233
53112021000104443203
642231112002104451
72421361645211164
oct264621062243357
947878727505074
1012423340312303
113a5a7888042a8
12148788764b127
136c16927608bb
1430d41593806b
1516825d94c26d
hexb4c88c946ef

12423340312303 has 8 divisors (see below), whose sum is σ = 13082009945600. Its totient is φ = 11765151640728.

The previous prime is 12423340312237. The next prime is 12423340312351. The reversal of 12423340312303 is 30321304332421.

It is a happy number.

12423340312303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12423340312303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423340312003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120187401 + ... + 120290722.

It is an arithmetic number, because the mean of its divisors is an integer number (1635251243200).

Almost surely, 212423340312303 is an apocalyptic number.

12423340312303 is a deficient number, since it is larger than the sum of its proper divisors (658669633297).

12423340312303 is a wasteful number, since it uses less digits than its factorization.

12423340312303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240480861.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 12423340312303 its reverse (30321304332421), we get a palindrome (42744644644724).

The spelling of 12423340312303 in words is "twelve trillion, four hundred twenty-three billion, three hundred forty million, three hundred twelve thousand, three hundred three".

Divisors: 1 19 2719 51661 240478123 4569084337 653860016437 12423340312303