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23200120321 = 729114286307
BaseRepresentation
bin10101100110110101…
…011011111000000001
32012212212010020001121
4111212311123320001
5340003212322241
614354043032241
71450630524520
oct254665337001
965785106047
1023200120321
119925954864
1245b580b681
132259689161
1411a13024b7
1590bb8ead1
hex566d5be01

23200120321 has 8 divisors (see below), whose sum is σ = 27428713920. Its totient is φ = 19200099408.

The previous prime is 23200120211. The next prime is 23200120343. The reversal of 23200120321 is 12302100232.

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

It is not a de Polignac number, because 23200120321 - 217 = 23199989249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23200120295 and 23200120304.

It is not an unprimeable number, because it can be changed into a prime (23200120421) 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, 57142951 + ... + 57143356.

It is an arithmetic number, because the mean of its divisors is an integer number (3428589240).

Almost surely, 223200120321 is an apocalyptic number.

It is an amenable number.

23200120321 is a deficient number, since it is larger than the sum of its proper divisors (4228593599).

23200120321 is a wasteful number, since it uses less digits than its factorization.

23200120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114286343.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23200120321 its reverse (12302100232), we get a palindrome (35502220553).

The spelling of 23200120321 in words is "twenty-three billion, two hundred million, one hundred twenty thousand, three hundred twenty-one".

Divisors: 1 7 29 203 114286307 800004149 3314302903 23200120321