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223030123121 = 1356330472759
BaseRepresentation
bin1100111110110110100…
…0011001101001110001
3210022200100112011020102
43033231220121221301
512123231202414441
6250243021322145
722053615524051
oct3175550315161
9708610464212
10223030123121
118664a765603
1237284406355
13180546c7370
14ab1a9b1561
155c0523469b
hex33eda19a71

223030123121 has 8 divisors (see below), whose sum is σ = 240612912960. Its totient is φ = 205508279952.

The previous prime is 223030123117. The next prime is 223030123139. The reversal of 223030123121 is 121321030322.

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 223030123121 - 22 = 223030123117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223030123093 and 223030123102.

It is not an unprimeable number, because it can be changed into a prime (223030128121) 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, 15229061 + ... + 15243698.

It is an arithmetic number, because the mean of its divisors is an integer number (30076614120).

Almost surely, 2223030123121 is an apocalyptic number.

It is an amenable number.

223030123121 is a deficient number, since it is larger than the sum of its proper divisors (17582789839).

223030123121 is a wasteful number, since it uses less digits than its factorization.

223030123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30473335.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223030123121 its reverse (121321030322), we get a palindrome (344351153443).

The spelling of 223030123121 in words is "two hundred twenty-three billion, thirty million, one hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 13 563 7319 30472759 396145867 17156163317 223030123121