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23233112209 = 72073223687
BaseRepresentation
bin10101101000110011…
…010010100010010001
32012222011012101102101
4111220303102202101
5340040134042314
614401222120401
71451511124006
oct255063224221
965864171371
1023233112209
11994253908a
124604880101
13226346ab98
1411a584d8ad
1590ea0a174
hex568cd2891

23233112209 has 4 divisors (see below), whose sum is σ = 23236343104. Its totient is φ = 23229881316.

The previous prime is 23233112191. The next prime is 23233112233. The reversal of 23233112209 is 90221133232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23233112209 - 29 = 23233111697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23233112269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604637 + ... + 1619050.

It is an arithmetic number, because the mean of its divisors is an integer number (5809085776).

Almost surely, 223233112209 is an apocalyptic number.

It is an amenable number.

23233112209 is a deficient number, since it is larger than the sum of its proper divisors (3230895).

23233112209 is an equidigital number, since it uses as much as digits as its factorization.

23233112209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230894.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 23233112209 in words is "twenty-three billion, two hundred thirty-three million, one hundred twelve thousand, two hundred nine".

Divisors: 1 7207 3223687 23233112209