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123230252604809 = 791143051448867
BaseRepresentation
bin11100000001001111000111…
…011011101001110110001001
3121011022200211011221112220202
4130001033013123221312021
5112123001024131323214
61114031110240501545
734646043352245260
oct3401170733516611
9534280734845822
10123230252604809
11362a0724a97919
12119a2a2231a8b5
13539b741a8601c
142260539c495d7
15e3a77d1e36de
hex7013c76e9d89

123230252604809 has 16 divisors (see below), whose sum is σ = 140992756832256. Its totient is φ = 105507299898000.

The previous prime is 123230252604793. The next prime is 123230252604853. The reversal of 123230252604809 is 908406252032321.

It is not a de Polignac number, because 123230252604809 - 24 = 123230252604793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123230252604409) 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, 274311794 + ... + 274760660.

It is an arithmetic number, because the mean of its divisors is an integer number (8812047302016).

Almost surely, 2123230252604809 is an apocalyptic number.

It is an amenable number.

123230252604809 is a deficient number, since it is larger than the sum of its proper divisors (17762504227447).

123230252604809 is an equidigital number, since it uses as much as digits as its factorization.

123230252604809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492836.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 123230252604809 in words is "one hundred twenty-three trillion, two hundred thirty billion, two hundred fifty-two million, six hundred four thousand, eight hundred nine".

Divisors: 1 7 911 6377 43051 301357 448867 3142069 39219461 274536227 408917837 2862424859 19324173217 135269212519 17604321800687 123230252604809