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23144300121 = 3191787227219
BaseRepresentation
bin10101100011100000…
…011111111001011001
32012201222002021010210
4111203200133321121
5334344420100441
614344330401333
71446352206435
oct254340377131
965658067123
1023144300121
1198a7399268
12459ab90249
13224ac43857
141197b319c5
15906d15616
hex56381fe59

23144300121 has 16 divisors (see below), whose sum is σ = 32501548800. Its totient is φ = 14609208528.

The previous prime is 23144300119. The next prime is 23144300141. The reversal of 23144300121 is 12100344132.

It is not a de Polignac number, because 23144300121 - 21 = 23144300119 is a prime.

It is a super-2 number, since 2×231443001212 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23144300141) 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 15 ways as a sum of consecutive naturals, for example, 11751 + ... + 215468.

It is an arithmetic number, because the mean of its divisors is an integer number (2031346800).

Almost surely, 223144300121 is an apocalyptic number.

It is an amenable number.

23144300121 is a deficient number, since it is larger than the sum of its proper divisors (9357248679).

23144300121 is a wasteful number, since it uses less digits than its factorization.

23144300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229028.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23144300121 its reverse (12100344132), we get a palindrome (35244644253).

The spelling of 23144300121 in words is "twenty-three billion, one hundred forty-four million, three hundred thousand, one hundred twenty-one".

Divisors: 1 3 19 57 1787 5361 33953 101859 227219 681657 4317161 12951483 406040353 1218121059 7714766707 23144300121