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23120013233 is a prime number
BaseRepresentation
bin10101100010000011…
…110110011110110001
32012200021101100210102
4111202003312132301
5334322210410413
614342102042145
71445635604252
oct254203663661
965607340712
1023120013233
119894710159
124592a19355
132245bbc105
14119480cb29
15904b19458
hex5620f67b1

23120013233 has 2 divisors, whose sum is σ = 23120013234. Its totient is φ = 23120013232.

The previous prime is 23120013167. The next prime is 23120013239. The reversal of 23120013233 is 33231002132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14195054449 + 8924958784 = 119143^2 + 94472^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120013233 - 214 = 23119996849 is a prime.

It is a super-2 number, since 2×231200132332 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23120013239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560006616 + 11560006617.

It is an arithmetic number, because the mean of its divisors is an integer number (11560006617).

Almost surely, 223120013233 is an apocalyptic number.

It is an amenable number.

23120013233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120013233 is an equidigital number, since it uses as much as digits as its factorization.

23120013233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23120013233 its reverse (33231002132), we get a palindrome (56351015365).

The spelling of 23120013233 in words is "twenty-three billion, one hundred twenty million, thirteen thousand, two hundred thirty-three".