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123320000121231 = 361813665016529
BaseRepresentation
bin11100000010100010101100…
…110011010000100110001111
3121011122021110211201202200110
4130002202230303100212033
5112130433330012334411
61114140232001331103
734655401364454144
oct3402425463204617
9534567424652613
10123320000121231
113632579a1392a1
12119b82aa636a93
1353a70454a6324
142264a113c23cb
15e3cc822ea2a6
hex7028accd098f

123320000121231 has 8 divisors (see below), whose sum is σ = 164429327141680. Its totient is φ = 82212003257472.

The previous prime is 123320000121223. The next prime is 123320000121251. The reversal of 123320000121231 is 132121000023321.

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

It is not a de Polignac number, because 123320000121231 - 23 = 123320000121223 is a prime.

It is a super-2 number, since 2×1233200001212312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123320000121198 and 123320000121207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320000121251) 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, 332322826 + ... + 332693703.

It is an arithmetic number, because the mean of its divisors is an integer number (20553665892710).

Almost surely, 2123320000121231 is an apocalyptic number.

123320000121231 is a deficient number, since it is larger than the sum of its proper divisors (41109327020449).

123320000121231 is an equidigital number, since it uses as much as digits as its factorization.

123320000121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665078345.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123320000121231 its reverse (132121000023321), we get a palindrome (255441000144552).

The spelling of 123320000121231 in words is "one hundred twenty-three trillion, three hundred twenty billion, one hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 3 61813 185439 665016529 1995049587 41106666707077 123320000121231