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123320221112023 = 13223145897217457
BaseRepresentation
bin11100000010100010111001…
…111110010001011011010111
3121011122022001020120021001121
4130002202321332101123113
5112130434303101041043
61114140305534104411
734655410020035155
oct3402427176213327
9534568036507047
10123320221112023
11363258a2958a11
12119b835064b107
1353a707c1cca00
142264a328aa3d5
15e3cc968edded
hex7028b9f916d7

123320221112023 has 24 divisors (see below), whose sum is σ = 139343610551328. Its totient is φ = 108883496696832.

The previous prime is 123320221112003. The next prime is 123320221112047. The reversal of 123320221112023 is 320211122023321.

It is not a de Polignac number, because 123320221112023 - 29 = 123320221111511 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 (123320221112003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 566992911 + ... + 567210367.

It is an arithmetic number, because the mean of its divisors is an integer number (5805983772972).

Almost surely, 2123320221112023 is an apocalyptic number.

123320221112023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123320221112023 is a deficient number, since it is larger than the sum of its proper divisors (16023389439305).

123320221112023 is a wasteful number, since it uses less digits than its factorization.

123320221112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363403 (or 363390 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123320221112023 its reverse (320211122023321), we get a palindrome (443531343135344).

The spelling of 123320221112023 in words is "one hundred twenty-three trillion, three hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, twenty-three".

Divisors: 1 13 23 169 299 3887 145897 217457 1896661 2826941 3355631 5001511 24656593 36750233 43623203 65019643 567101639 845255359 31726323929 412442211077 729705450367 5361748744001 9486170854771 123320221112023