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123323303009 = 401307539409
BaseRepresentation
bin111001011011010100…
…1000100010001100001
3102210022121112220012002
41302312221010101201
54010031231144014
6132353130213345
711624031531314
oct1626651042141
9383277486162
10123323303009
1148334875935
121ba98884255
13b82486835a
145d7c86a97b
15331bb0cdde
hex1cb6a44461

123323303009 has 4 divisors (see below), whose sum is σ = 123630842820. Its totient is φ = 123015763200.

The previous prime is 123323302957. The next prime is 123323303017. The reversal of 123323303009 is 900303323321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72884880784 + 50438422225 = 269972^2 + 224585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123323303009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123323303309) 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, 153769304 + ... + 153770105.

It is an arithmetic number, because the mean of its divisors is an integer number (30907710705).

Almost surely, 2123323303009 is an apocalyptic number.

It is an amenable number.

123323303009 is a deficient number, since it is larger than the sum of its proper divisors (307539811).

123323303009 is an equidigital number, since it uses as much as digits as its factorization.

123323303009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307539810.

The product of its (nonzero) digits is 8748, while the sum is 29.

The spelling of 123323303009 in words is "one hundred twenty-three billion, three hundred twenty-three million, three hundred three thousand, nine".

Divisors: 1 401 307539409 123323303009