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23144144003 = 99123354333
BaseRepresentation
bin10101100011011111…
…111001110010000011
32012201221210022222122
4111203133321302003
5334344400102003
614344323154455
71446350656331
oct254337716203
965657708878
1023144144003
1198a72a1a42
12459ab15a2b
13224abba786
141197ad0b51
15906cd4238
hex5637f9c83

23144144003 has 4 divisors (see below), whose sum is σ = 23167499328. Its totient is φ = 23120788680.

The previous prime is 23144143963. The next prime is 23144144033. The reversal of 23144144003 is 30044144132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23144144003 - 28 = 23144143747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23144144033) 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, 11676176 + ... + 11678157.

It is an arithmetic number, because the mean of its divisors is an integer number (5791874832).

Almost surely, 223144144003 is an apocalyptic number.

23144144003 is a deficient number, since it is larger than the sum of its proper divisors (23355325).

23144144003 is an equidigital number, since it uses as much as digits as its factorization.

23144144003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23355324.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23144144003 its reverse (30044144132), we get a palindrome (53188288135).

The spelling of 23144144003 in words is "twenty-three billion, one hundred forty-four million, one hundred forty-four thousand, three".

Divisors: 1 991 23354333 23144144003