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111232430023 = 111317239191447
BaseRepresentation
bin110011110010111111…
…0000010111111000111
3101122002222102220112111
41213211332002333013
53310301000230043
6123033253001451
711015305024621
oct1474576027707
9348088386474
10111232430023
114319a897020
1219683623287
13a648937440
145552b55c11
152d603dc09d
hex19e5f82fc7

111232430023 has 32 divisors (see below), whose sum is σ = 138945300480. Its totient is φ = 87483164160.

The previous prime is 111232430011. The next prime is 111232430027. The reversal of 111232430023 is 320034232111.

It is not a de Polignac number, because 111232430023 - 217 = 111232298951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111232429976 and 111232430003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111232430027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485286 + ... + 676732.

It is an arithmetic number, because the mean of its divisors is an integer number (4342040640).

Almost surely, 2111232430023 is an apocalyptic number.

111232430023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111232430023 is a deficient number, since it is larger than the sum of its proper divisors (27712870457).

111232430023 is a wasteful number, since it uses less digits than its factorization.

111232430023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191727.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 111232430023 its reverse (320034232111), we get a palindrome (431266662134).

The spelling of 111232430023 in words is "one hundred eleven billion, two hundred thirty-two million, four hundred thirty thousand, twenty-three".

Divisors: 1 11 13 17 143 187 221 239 2431 2629 3107 4063 34177 44693 52819 191447 581009 2105917 2488811 3254599 27376921 35800589 42309787 45755833 465407657 503314163 594825829 777849161 6543084119 8556340771 10112039093 111232430023