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221223032023 = 773694288681
BaseRepresentation
bin1100111000000111101…
…0111001010011010111
3210011000102011102021111
43032001322321103113
512111031044011043
6245343425155451
721661053513640
oct3160172712327
9704012142244
10221223032023
11859026a8294
1236a5b18bb87
1317b271c37a6
14a9c89b06c7
155b4b77a09d
hex3381eb94d7

221223032023 has 8 divisors (see below), whose sum is σ = 252860690720. Its totient is φ = 189593965440.

The previous prime is 221223031979. The next prime is 221223032029. The reversal of 221223032023 is 320230322122.

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 221223032023 - 29 = 221223031511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221223031985 and 221223032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221223032029) 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, 2092758 + ... + 2195923.

It is an arithmetic number, because the mean of its divisors is an integer number (31607586340).

Almost surely, 2221223032023 is an apocalyptic number.

221223032023 is a deficient number, since it is larger than the sum of its proper divisors (31637658697).

221223032023 is an equidigital number, since it uses as much as digits as its factorization.

221223032023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296057.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 221223032023 its reverse (320230322122), we get a palindrome (541453354145).

The spelling of 221223032023 in words is "two hundred twenty-one billion, two hundred twenty-three million, thirty-two thousand, twenty-three".

Divisors: 1 7 7369 51583 4288681 30020767 31603290289 221223032023