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131223022000023 = 3172809139159421
BaseRepresentation
bin11101110101100010111101…
…100111001101011110010111
3122012121210120000200011200210
4131311202331213031132113
5114144424222113000043
61143031005111540503
736432356546163222
oct3565427547153627
9565553500604623
10131223022000023
11388a2409a3a718
1212873a9868a733
13582b37c6628c5
14245932a0a05b9
15102862a48c633
hex7758bd9cd797

131223022000023 has 16 divisors (see below), whose sum is σ = 185256710762976. Its totient is φ = 82335711713280.

The previous prime is 131223022000019. The next prime is 131223022000061. The reversal of 131223022000023 is 320000220322131.

It is a happy number.

It is not a de Polignac number, because 131223022000023 - 22 = 131223022000019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223022000073) 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, 9746853 + ... + 18906273.

It is an arithmetic number, because the mean of its divisors is an integer number (11578544422686).

Almost surely, 2131223022000023 is an apocalyptic number.

131223022000023 is a deficient number, since it is larger than the sum of its proper divisors (54033688762953).

131223022000023 is a wasteful number, since it uses less digits than its factorization.

131223022000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9440354.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131223022000023 its reverse (320000220322131), we get a palindrome (451223242322154).

The spelling of 131223022000023 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, twenty-two million, twenty-three", and thus it is an aban number.

Divisors: 1 3 17 51 280913 842739 4775521 9159421 14326563 27478263 155710157 467130471 2573000431373 7719001294119 43741007333341 131223022000023