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12232401423 = 311370678831
BaseRepresentation
bin10110110010001101…
…11010001000001111
31011120111102101011120
423121012322020033
5200022443321143
65341450452023
7612062460624
oct133106721017
934514371146
1012232401423
115207965270
122454734013
1311cc354b68
1484083634b
154b8d7a383
hex2d91ba20f

12232401423 has 8 divisors (see below), whose sum is σ = 17792583936. Its totient is φ = 7413576600.

The previous prime is 12232401403. The next prime is 12232401427. The reversal of 12232401423 is 32410423221.

It is a happy number.

12232401423 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 not a de Polignac number, because 12232401423 - 210 = 12232400399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12232401393 and 12232401402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232401427) 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 7 ways as a sum of consecutive naturals, for example, 185339383 + ... + 185339448.

It is an arithmetic number, because the mean of its divisors is an integer number (2224072992).

Almost surely, 212232401423 is an apocalyptic number.

12232401423 is a deficient number, since it is larger than the sum of its proper divisors (5560182513).

12232401423 is a wasteful number, since it uses less digits than its factorization.

12232401423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370678845.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12232401423 its reverse (32410423221), we get a palindrome (44642824644).

The spelling of 12232401423 in words is "twelve billion, two hundred thirty-two million, four hundred one thousand, four hundred twenty-three".

Divisors: 1 3 11 33 370678831 1112036493 4077467141 12232401423