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23224401421231 = 28750078078033
BaseRepresentation
bin1010100011111010110100…
…01100100110001110101111
310001020020020110121002201011
411101331122030212032233
511021002033230434411
6121221050454530051
74614623213624533
oct521753214461657
9101206213532634
1023224401421231
11744446016393a
122731065066927
13cc608964a59a
145a40d1cc5bc3
152a41bedd4c21
hex151f5a3263af

23224401421231 has 4 divisors (see below), whose sum is σ = 23224412374272. Its totient is φ = 23224390468192.

The previous prime is 23224401421217. The next prime is 23224401421289. The reversal of 23224401421231 is 13212410442232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23224401421231 - 29 = 23224401420719 is a prime.

It is a super-2 number, since 2×232244014212312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23224401421193 and 23224401421202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224401421201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164010 + ... + 6914023.

It is an arithmetic number, because the mean of its divisors is an integer number (5806103093568).

Almost surely, 223224401421231 is an apocalyptic number.

23224401421231 is a deficient number, since it is larger than the sum of its proper divisors (10953041).

23224401421231 is an equidigital number, since it uses as much as digits as its factorization.

23224401421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953040.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 23224401421231 its reverse (13212410442232), we get a palindrome (36436811863463).

The spelling of 23224401421231 in words is "twenty-three trillion, two hundred twenty-four billion, four hundred one million, four hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 2875007 8078033 23224401421231