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23012011013 is a prime number
BaseRepresentation
bin10101011011100111…
…110110110000000101
32012101202011021121012
4111123213312300011
5334112033323023
614323243132005
71443154603055
oct253347666005
965352137535
1023012011013
119839753522
124562814005
132229706184
141184337565
158ea3d3978
hex55b9f6c05

23012011013 has 2 divisors, whose sum is σ = 23012011014. Its totient is φ = 23012011012.

The previous prime is 23012011007. The next prime is 23012011051. The reversal of 23012011013 is 31011021032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16158985924 + 6853025089 = 127118^2 + 82783^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012011013 - 24 = 23012010997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23012011073) 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 as a sum of consecutive naturals, namely, 11506005506 + 11506005507.

It is an arithmetic number, because the mean of its divisors is an integer number (11506005507).

Almost surely, 223012011013 is an apocalyptic number.

It is an amenable number.

23012011013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012011013 is an equidigital number, since it uses as much as digits as its factorization.

23012011013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23012011013 its reverse (31011021032), we get a palindrome (54023032045).

The spelling of 23012011013 in words is "twenty-three billion, twelve million, eleven thousand, thirteen".