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23331023023 = 72111719113331
BaseRepresentation
bin10101101110101000…
…110010100010101111
32020012222102202210211
4111232220302202233
5340240220214043
614415040443251
71454110265200
oct255650624257
966188382724
1023331023023
119992832a10
124631619527
13227a82c789
1411b48595a7
159183eaa9d
hex56ea328af

23331023023 has 48 divisors (see below), whose sum is σ = 31515568128. Its totient is φ = 17019744000.

The previous prime is 23331023021. The next prime is 23331023083. The reversal of 23331023023 is 32032013332.

It is not a de Polignac number, because 23331023023 - 21 = 23331023021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23331022985 and 23331023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331023021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1743468 + ... + 1756798.

It is an arithmetic number, because the mean of its divisors is an integer number (656574336).

Almost surely, 223331023023 is an apocalyptic number.

23331023023 is a deficient number, since it is larger than the sum of its proper divisors (8184545105).

23331023023 is a wasteful number, since it uses less digits than its factorization.

23331023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13564 (or 13557 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 23331023023 its reverse (32032013332), we get a palindrome (55363036355).

The spelling of 23331023023 in words is "twenty-three billion, three hundred thirty-one million, twenty-three thousand, twenty-three".

Divisors: 1 7 11 17 49 77 119 187 191 539 833 1309 1337 2101 3247 9163 9359 13331 14707 22729 35717 93317 102949 146641 159103 226627 250019 653219 1026487 1586389 1750133 2492897 2546221 7185409 11104723 17450279 17823547 28008431 43285757 122151953 124764829 196059017 303000299 476143327 1372413119 2121002093 3333003289 23331023023