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23320302121 = 293917205297
BaseRepresentation
bin10101101101111111…
…111001001000101001
32020012020021002111101
4111231333321020221
5340224444131441
614414015001401
71453620204004
oct255577711051
966166232441
1023320302121
119987780166
124629b09261
132278547a4c
1411b326853b
159174ce231
hex56dff9229

23320302121 has 8 divisors (see below), whose sum is σ = 24130726920. Its totient is φ = 22510295808.

The previous prime is 23320302113. The next prime is 23320302151. The reversal of 23320302121 is 12120302332.

It can be written as a sum of positive squares in 4 ways, for example, as 10442591721 + 12877710400 = 102189^2 + 113480^2 .

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 23320302121 - 23 = 23320302113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23320302151) 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, 10945 + ... + 216241.

It is an arithmetic number, because the mean of its divisors is an integer number (3016340865).

Almost surely, 223320302121 is an apocalyptic number.

It is an amenable number.

23320302121 is a deficient number, since it is larger than the sum of its proper divisors (810424799).

23320302121 is a wasteful number, since it uses less digits than its factorization.

23320302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209243.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23320302121 its reverse (12120302332), we get a palindrome (35440604453).

The spelling of 23320302121 in words is "twenty-three billion, three hundred twenty million, three hundred two thousand, one hundred twenty-one".

Divisors: 1 29 3917 113593 205297 5953613 804148349 23320302121