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23041143321220 = 2251497731927289
BaseRepresentation
bin1010011110100101011110…
…01010011011001010000100
310000120201012220011001110201
411033102233022123022010
511010001230142234340
6121000542145500244
74565445003522553
oct517225712331204
9100521186131421
1023041143321220
11738376a7a5a22
122701640341684
13cb1a02a0430b
145992a94d9d9a
1529e54665379a
hex14f4af29b284

23041143321220 has 24 divisors (see below), whose sum is σ = 48711141927000. Its totient is φ = 9154601908992.

The previous prime is 23041143321191. The next prime is 23041143321221. The reversal of 23041143321220 is 2212334114032.

It can be written as a sum of positive squares in 4 ways, for example, as 19130209344 + 23022013111876 = 138312^2 + 4798126^2 .

It is not an unprimeable number, because it can be changed into a prime (23041143321221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865960665 + ... + 3865966624.

It is an arithmetic number, because the mean of its divisors is an integer number (2029630913625).

Almost surely, 223041143321220 is an apocalyptic number.

23041143321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23041143321220 is an abundant number, since it is smaller than the sum of its proper divisors (25669998605780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23041143321220 is a wasteful number, since it uses less digits than its factorization.

23041143321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731927447 (or 7731927445 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 23041143321220 its reverse (2212334114032), we get a palindrome (25253477435252).

The spelling of 23041143321220 in words is "twenty-three trillion, forty-one billion, one hundred forty-three million, three hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 7731927289 15463854578 30927709156 38659636445 77319272890 154638545780 1152057166061 2304114332122 4608228664244 5760285830305 11520571660610 23041143321220