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23431243213222 = 21317211369738231
BaseRepresentation
bin1010101001111100000101…
…11011011010100110100110
310001222000010121220211101221
411110332002323122212212
511032344141230310342
6121500055312210554
74635565023064135
oct524760273324646
9101860117824357
1023431243213222
117514152a40689
12276516bb39a5a
13100c73125b790
145b01148dd91c
152a9778d21a67
hex154f82eda9a6

23431243213222 has 32 divisors (see below), whose sum is σ = 37876218819264. Its totient is φ = 10807064371200.

The previous prime is 23431243213199. The next prime is 23431243213223. The reversal of 23431243213222 is 22231234213432.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431243213223) 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, 612866847 + ... + 612905077.

It is an arithmetic number, because the mean of its divisors is an integer number (1183631838102).

Almost surely, 223431243213222 is an apocalyptic number.

23431243213222 is a deficient number, since it is larger than the sum of its proper divisors (14444975606042).

23431243213222 is a wasteful number, since it uses less digits than its factorization.

23431243213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53664.

The product of its digits is 82944, while the sum is 34.

Adding to 23431243213222 its reverse (22231234213432), we get a palindrome (45662477426654).

The spelling of 23431243213222 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred forty-three million, two hundred thirteen thousand, two hundred twenty-two".

Divisors: 1 2 13 26 1721 3442 13697 22373 27394 38231 44746 76462 178061 356122 497003 994006 23572537 47145074 65795551 131591102 306442981 523650007 612885962 855342163 1047300014 1710684326 6807450091 13614900182 901201662047 1802403324094 11715621606611 23431243213222