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123300013321 = 325693785809
BaseRepresentation
bin111001011010101000…
…0001110010100001001
3102210020222201122202001
41302311100032110021
54010004300411241
6132350535111001
711623326551332
oct1626520162411
9383228648661
10123300013321
1148322708a61
121ba90b12461
13b81caa2784
145d79727289
153319a5c431
hex1cb540e509

123300013321 has 4 divisors (see below), whose sum is σ = 123303831700. Its totient is φ = 123296194944.

The previous prime is 123300013301. The next prime is 123300013349. The reversal of 123300013321 is 123310003321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123310003321 = 462126684701.

It can be written as a sum of positive squares in 2 ways, for example, as 79292364921 + 44007648400 = 281589^2 + 209780^2 .

It is a cyclic number.

It is not a de Polignac number, because 123300013321 - 221 = 123297916169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123300013301) 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, 1860336 + ... + 1925473.

It is an arithmetic number, because the mean of its divisors is an integer number (30825957925).

Almost surely, 2123300013321 is an apocalyptic number.

It is an amenable number.

123300013321 is a deficient number, since it is larger than the sum of its proper divisors (3818379).

123300013321 is an equidigital number, since it uses as much as digits as its factorization.

123300013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818378.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123300013321 its reverse (123310003321), we get a palindrome (246610016642).

The spelling of 123300013321 in words is "one hundred twenty-three billion, three hundred million, thirteen thousand, three hundred twenty-one".

Divisors: 1 32569 3785809 123300013321