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123230013201311 = 193887883981439
BaseRepresentation
bin11100000001001110111001…
…001010011001101110011111
3121011022200012111110121001112
4130001032321022121232133
5112123000031334420221
61114031030405332235
734646034414326012
oct3401167112315637
9534280174417045
10123230013201311
11362a0611941495
12119a297610707b
13539b7042b3853
14226051612b379
15e3a7671a415b
hex7013b9299b9f

123230013201311 has 16 divisors (see below), whose sum is σ = 124023712051200. Its totient is φ = 122437949372928.

The previous prime is 123230013201299. The next prime is 123230013201313. The reversal of 123230013201311 is 113102310032321.

It is a cyclic number.

It is not a de Polignac number, because 123230013201311 - 230 = 123228939459487 is a prime.

It is a super-2 number, since 2×1232300132013112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123230013201313) 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, 1513116530 + ... + 1513197968.

It is an arithmetic number, because the mean of its divisors is an integer number (7751482003200).

Almost surely, 2123230013201311 is an apocalyptic number.

123230013201311 is a deficient number, since it is larger than the sum of its proper divisors (793698849889).

123230013201311 is an equidigital number, since it uses as much as digits as its factorization.

123230013201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91358.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123230013201311 its reverse (113102310032321), we get a palindrome (236332323233632).

The spelling of 123230013201311 in words is "one hundred twenty-three trillion, two hundred thirty billion, thirteen million, two hundred one thousand, three hundred eleven".

Divisors: 1 193 887 8839 81439 171191 1705927 7840193 15717727 72236393 719839321 1513157249 13941623849 138928988953 638497477727 123230013201311