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123232431201 = 3115938597331
BaseRepresentation
bin111001011000100111…
…0011010110001100001
3102210002021120010111120
41302301032122301201
54004340000244301
6132340122402453
711621546245035
oct1626116326141
9383067503446
10123232431201
1148298549570
121ba72360429
13b80ba9c659
145d707741c5
153313b5ce36
hex1cb139ac61

123232431201 has 32 divisors (see below), whose sum is σ = 179782986240. Its totient is φ = 74463417600.

The previous prime is 123232431109. The next prime is 123232431211. The reversal of 123232431201 is 102134232321.

It is not a de Polignac number, because 123232431201 - 29 = 123232430689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123232431211) 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, 16806106 + ... + 16813436.

It is an arithmetic number, because the mean of its divisors is an integer number (5618218320).

Almost surely, 2123232431201 is an apocalyptic number.

123232431201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123232431201 is a deficient number, since it is larger than the sum of its proper divisors (56550555039).

123232431201 is a wasteful number, since it uses less digits than its factorization.

123232431201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8797.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123232431201 its reverse (102134232321), we get a palindrome (225366663522).

The spelling of 123232431201 in words is "one hundred twenty-three billion, two hundred thirty-two million, four hundred thirty-one thousand, two hundred one".

Divisors: 1 3 11 33 593 859 1779 2577 6523 7331 9449 19569 21993 28347 80641 241923 509387 1528161 4347283 5603257 6297329 13041849 16809771 18891987 47820113 69270619 143460339 207811857 3734316097 11202948291 41077477067 123232431201