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123320010001 = 643191788507
BaseRepresentation
bin111001011011001110…
…0100000010100010001
3102210022101100121000211
41302312130200110101
54010024410310001
6132352531444121
711623661534566
oct1626634402421
9383271317024
10123320010001
1148332a26841
121ba97756641
13b823c84526
145d7c25086d
15331b6ac351
hex1cb6720511

123320010001 has 4 divisors (see below), whose sum is σ = 123511799152. Its totient is φ = 123128220852.

The previous prime is 123320009983. The next prime is 123320010013. The reversal of 123320010001 is 100010023321.

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 123320010001 - 215 = 123319977233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123320010061) 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, 95893611 + ... + 95894896.

It is an arithmetic number, because the mean of its divisors is an integer number (30877949788).

Almost surely, 2123320010001 is an apocalyptic number.

It is an amenable number.

123320010001 is a deficient number, since it is larger than the sum of its proper divisors (191789151).

123320010001 is an equidigital number, since it uses as much as digits as its factorization.

123320010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191789150.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 123320010001 its reverse (100010023321), we get a palindrome (223330033322).

The spelling of 123320010001 in words is "one hundred twenty-three billion, three hundred twenty million, ten thousand, one".

Divisors: 1 643 191788507 123320010001