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23012341300 = 22521321361677
BaseRepresentation
bin10101011011101001…
…000111011000110100
32012101202210001200001
4111123221013120310
5334112124410200
614323254201044
71443160450024
oct253351073064
965352701601
1023012341300
119839959693
124562953184
1322297c0600
1411843c1a84
158ea44b76a
hex55ba47634

23012341300 has 54 divisors (see below), whose sum is σ = 54073595058. Its totient is φ = 8496858240.

The previous prime is 23012341279. The next prime is 23012341309. The reversal of 23012341300 is 314321032.

It can be written as a sum of positive squares in 9 ways, for example, as 14012403876 + 8999937424 = 118374^2 + 94868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012341309) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 663939 + ... + 697738.

Almost surely, 223012341300 is an apocalyptic number.

23012341300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012341300 is an abundant number, since it is smaller than the sum of its proper divisors (31061253758).

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

23012341300 is a wasteful number, since it uses less digits than its factorization.

23012341300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361717 (or 1361697 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23012341300 its reverse (314321032), we get a palindrome (23326662332).

The spelling of 23012341300 in words is "twenty-three billion, twelve million, three hundred forty-one thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 169 260 325 338 650 676 845 1300 1690 3380 4225 8450 16900 1361677 2723354 5446708 6808385 13616770 17701801 27233540 34041925 35403602 68083850 70807204 88509005 136167700 177018010 230123413 354036020 442545025 460246826 885090050 920493652 1150617065 1770180100 2301234130 4602468260 5753085325 11506170650 23012341300