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123100233223213 = 19103168677372917
BaseRepresentation
bin11011111111010110000001…
…101011000100110000101101
3121010212021012220112121202001
4123333112001223010300231
5112113333234201120323
61113451244430132301
734633461351605641
oct3377260153046055
9533767186477661
10123100233223213
1136250574490044
1211981797051091
13538c3c0b866bc
142258123d76c21
15e371bd8023ad
hex6ff581ac4c2d

123100233223213 has 16 divisors (see below), whose sum is σ = 130838369800320. Its totient is φ = 115488033840576.

The previous prime is 123100233223211. The next prime is 123100233223241. The reversal of 123100233223213 is 312322332001321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123100233223213 - 21 = 123100233223211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100233223211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329914431 + ... + 330287347.

It is an arithmetic number, because the mean of its divisors is an integer number (8177398112520).

Almost surely, 2123100233223213 is an apocalyptic number.

It is an amenable number.

123100233223213 is a deficient number, since it is larger than the sum of its proper divisors (7738136577107).

123100233223213 is a wasteful number, since it uses less digits than its factorization.

123100233223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541716.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 123100233223213 its reverse (312322332001321), we get a palindrome (435422565224534).

The spelling of 123100233223213 in words is "one hundred twenty-three trillion, one hundred billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 19 103 1957 168677 372917 3204863 7085423 17373731 38410451 330100889 729798569 62902520809 1195147895371 6478959643327 123100233223213