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1232111023 = 1113172917477
BaseRepresentation
bin100100101110000…
…1000010110101111
310011212102201120121
41021130020112233
510010410023043
6322132225411
742350525263
oct11134102657
93155381517
101232111023
11582549280
122a476b267
131683582a0
14b98cc0a3
157327eded
hex497085af

1232111023 has 32 divisors (see below), whose sum is σ = 1585604160. Its totient is φ = 939509760.

The previous prime is 1232111021. The next prime is 1232111047. The reversal of 1232111023 is 3201112321.

It is not a de Polignac number, because 1232111023 - 21 = 1232111021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232110988 and 1232111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232111021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61761 + ... + 79237.

It is an arithmetic number, because the mean of its divisors is an integer number (49550130).

Almost surely, 21232111023 is an apocalyptic number.

1232111023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1232111023 is a deficient number, since it is larger than the sum of its proper divisors (353493137).

1232111023 is a wasteful number, since it uses less digits than its factorization.

1232111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17547.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1232111023 is about 35101.4390445748. The cubic root of 1232111023 is about 1072.0538833533.

Adding to 1232111023 its reverse (3201112321), we get a palindrome (4433223344).

The spelling of 1232111023 in words is "one billion, two hundred thirty-two million, one hundred eleven thousand, twenty-three".

Divisors: 1 11 13 17 29 143 187 221 319 377 493 2431 4147 5423 6409 17477 70499 192247 227201 297109 506833 2499211 3268199 3862417 5575163 6588829 8616161 42486587 72477119 94777771 112010093 1232111023