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10023000001 = 71431857143
BaseRepresentation
bin10010101010110101…
…01101011111000001
3221212112001011012021
421111122231133001
5131011342000001
64334323401441
7503244044230
oct112532553701
927775034167
1010023000001
1142837a4283
121b38823281
13c396b1241
146b122cb17
153d9e02ba1
hex2556ad7c1

10023000001 has 4 divisors (see below), whose sum is σ = 11454857152. Its totient is φ = 8591142852.

The previous prime is 10022999983. The next prime is 10023000017. The reversal of 10023000001 is 10000032001.

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: 10000032001 = 10793458243.

It is a cyclic number.

It is not a de Polignac number, because 10023000001 - 217 = 10022868929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 1431857143 = 10023000001 / (1 + 0 + 0 + 2 + 3 + 0 + 0 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10023030001) 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, 715928565 + ... + 715928578.

It is an arithmetic number, because the mean of its divisors is an integer number (2863714288).

Almost surely, 210023000001 is an apocalyptic number.

It is an amenable number.

10023000001 is a deficient number, since it is larger than the sum of its proper divisors (1431857151).

10023000001 is an equidigital number, since it uses as much as digits as its factorization.

10023000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431857150.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 10023000001 its reverse (10000032001), we get a palindrome (20023032002).

It can be divided in two parts, 1002 and 3000001, that added together give a palindrome (3001003).

The spelling of 10023000001 in words is "ten billion, twenty-three million, one", and thus it is an aban number and an uban number.

Divisors: 1 7 1431857143 10023000001