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123303133121 = 7131134463613
BaseRepresentation
bin111001011010101110…
…0000111111111000001
3102210021012121011022012
41302311130013333001
54010011100224441
6132351130022305
711623365224060
oct1626534077701
9383235534265
10123303133121
1148324449a03
121ba91b77995
13b8206257cc
145d79cda1d7
153319e769eb
hex1cb5707fc1

123303133121 has 8 divisors (see below), whose sum is σ = 141993576384. Its totient is φ = 104881617360.

The previous prime is 123303133117. The next prime is 123303133141. The reversal of 123303133121 is 121331303321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123303133121 - 22 = 123303133117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123303133141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67230890 + ... + 67232723.

It is an arithmetic number, because the mean of its divisors is an integer number (17749197048).

Almost surely, 2123303133121 is an apocalyptic number.

It is an amenable number.

123303133121 is a deficient number, since it is larger than the sum of its proper divisors (18690443263).

123303133121 is a wasteful number, since it uses less digits than its factorization.

123303133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134463751.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 123303133121 its reverse (121331303321), we get a palindrome (244634436442).

The spelling of 123303133121 in words is "one hundred twenty-three billion, three hundred three million, one hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 7 131 917 134463613 941245291 17614733303 123303133121