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23313223009 = 132717568367
BaseRepresentation
bin10101101101100100…
…111000110101100001
32020011201221102210001
4111231210320311201
5340221141114014
614413203140001
71453503061126
oct255544706541
966151842701
1023313223009
11998378555a
124627674601
132276c3981b
1411b234474d
15916a81974
hex56d938d61

23313223009 has 4 divisors (see below), whose sum is σ = 23330792704. Its totient is φ = 23295653316.

The previous prime is 23313222991. The next prime is 23313223057. The reversal of 23313223009 is 90032231332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23313223009 - 221 = 23311125857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23313223709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8782857 + ... + 8785510.

It is an arithmetic number, because the mean of its divisors is an integer number (5832698176).

Almost surely, 223313223009 is an apocalyptic number.

It is an amenable number.

23313223009 is a deficient number, since it is larger than the sum of its proper divisors (17569695).

23313223009 is a wasteful number, since it uses less digits than its factorization.

23313223009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17569694.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 23313223009 in words is "twenty-three billion, three hundred thirteen million, two hundred twenty-three thousand, nine".

Divisors: 1 1327 17568367 23313223009