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23101321223 = 891132297039
BaseRepresentation
bin10101100000111100…
…100011000000000111
32012121222012201011202
4111200330203000013
5334302414234343
614340153253115
71445320663511
oct254074430007
965558181152
1023101321223
119885103612
12458870419b
132242076156
141192144bb1
15903175db8
hex560f23007

23101321223 has 8 divisors (see below), whose sum is σ = 23567630400. Its totient is φ = 22639606528.

The previous prime is 23101321181. The next prime is 23101321249. The reversal of 23101321223 is 32212310132.

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 23101321223 - 210 = 23101320199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23101321195 and 23101321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101321273) 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, 1138463 + ... + 1158576.

It is an arithmetic number, because the mean of its divisors is an integer number (2945953800).

Almost surely, 223101321223 is an apocalyptic number.

23101321223 is a deficient number, since it is larger than the sum of its proper divisors (466309177).

23101321223 is a wasteful number, since it uses less digits than its factorization.

23101321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297241.

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

Adding to 23101321223 its reverse (32212310132), we get a palindrome (55313631355).

The spelling of 23101321223 in words is "twenty-three billion, one hundred one million, three hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 89 113 10057 2297039 204436471 259565407 23101321223