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121413230423 = 4118111635173
BaseRepresentation
bin111000100010011001…
…0101101111101010111
3102121101111102011011222
41301010302231331113
53442123241333143
6131435414520555
711525506300502
oct1610462557527
9377344364158
10121413230423
1147544670051
121b64506615b
13b5abc18ba4
145c3ad00139
1532590b0768
hex1c44cadf57

121413230423 has 8 divisors (see below), whose sum is σ = 124443282096. Its totient is φ = 118386452800.

The previous prime is 121413230377. The next prime is 121413230441. The reversal of 121413230423 is 324032314121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121413230423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121413230392 and 121413230401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121413230023) 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, 743336 + ... + 891837.

It is an arithmetic number, because the mean of its divisors is an integer number (15555410262).

Almost surely, 2121413230423 is an apocalyptic number.

121413230423 is a deficient number, since it is larger than the sum of its proper divisors (3030051673).

121413230423 is a wasteful number, since it uses less digits than its factorization.

121413230423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637025.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121413230423 its reverse (324032314121), we get a palindrome (445445544544).

The spelling of 121413230423 in words is "one hundred twenty-one billion, four hundred thirteen million, two hundred thirty thousand, four hundred twenty-three".

Divisors: 1 41 1811 74251 1635173 67042093 2961298303 121413230423