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12301013023 = 13946231771
BaseRepresentation
bin10110111010011001…
…01001000000011111
31011202021112012120221
423131030221000133
5200143024404043
65352341222211
7613554612505
oct133514510037
934667465527
1012301013023
115242668172
122473701967
131210628740
148499b6675
154bedce8ed
hex2dd32901f

12301013023 has 4 divisors (see below), whose sum is σ = 13247244808. Its totient is φ = 11354781240.

The previous prime is 12301013009. The next prime is 12301013029. The reversal of 12301013023 is 32031010321.

12301013023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32031010321 = 83385915787.

It is a cyclic number.

It is not a de Polignac number, because 12301013023 - 29 = 12301012511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12301012988 and 12301013006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301013029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473115873 + ... + 473115898.

It is an arithmetic number, because the mean of its divisors is an integer number (3311811202).

Almost surely, 212301013023 is an apocalyptic number.

12301013023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12301013023 is a deficient number, since it is larger than the sum of its proper divisors (946231785).

12301013023 is an equidigital number, since it uses as much as digits as its factorization.

12301013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946231784.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12301013023 its reverse (32031010321), we get a palindrome (44332023344).

The spelling of 12301013023 in words is "twelve billion, three hundred one million, thirteen thousand, twenty-three".

Divisors: 1 13 946231771 12301013023