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10123000223 = 71446142889
BaseRepresentation
bin10010110110110000…
…01011100110011111
3222010111012200201012
421123120023212133
5131212442001343
64352255005435
7505600040120
oct113330134637
928114180635
1010123000223
114325195996
121b6620987b
13c54324b7b
146c0620047
153e3aa7718
hex25b60b99f

10123000223 has 4 divisors (see below), whose sum is σ = 11569143120. Its totient is φ = 8676857328.

The previous prime is 10123000213. The next prime is 10123000259. The reversal of 10123000223 is 32200032101.

It is a happy number.

10123000223 is digitally balanced in base 3, 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: 32200032101 = 150151214451.

It is a cyclic number.

It is not a de Polignac number, because 10123000223 - 24 = 10123000207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123000198 and 10123000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123000213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723071438 + ... + 723071451.

It is an arithmetic number, because the mean of its divisors is an integer number (2892285780).

Almost surely, 210123000223 is an apocalyptic number.

10123000223 is a deficient number, since it is larger than the sum of its proper divisors (1446142897).

10123000223 is an equidigital number, since it uses as much as digits as its factorization.

10123000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446142896.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10123000223 its reverse (32200032101), we get a palindrome (42323032324).

The spelling of 10123000223 in words is "ten billion, one hundred twenty-three million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 7 1446142889 10123000223