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123213330233 = 7179229429409
BaseRepresentation
bin111001011000000010…
…1100011011100111001
3102210000221121200220022
41302300011203130321
54004320103031413
6132334201140225
711621225012060
oct1626005433471
9383027550808
10123213330233
1148288792744
121ba67a8a675
13b807b424c6
145d6c0011d7
153312138608
hex1cb0163739

123213330233 has 16 divisors (see below), whose sum is σ = 142220592000. Its totient is φ = 104562565632.

The previous prime is 123213330203. The next prime is 123213330239. The reversal of 123213330233 is 332033312321.

It is a happy number.

It is not a de Polignac number, because 123213330233 - 214 = 123213313849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123213330239) 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, 72233 + ... + 501641.

It is an arithmetic number, because the mean of its divisors is an integer number (8888787000).

Almost surely, 2123213330233 is an apocalyptic number.

It is an amenable number.

123213330233 is a deficient number, since it is larger than the sum of its proper divisors (19007261767).

123213330233 is a wasteful number, since it uses less digits than its factorization.

123213330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429824.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 123213330233 its reverse (332033312321), we get a palindrome (455246642554).

The spelling of 123213330233 in words is "one hundred twenty-three billion, two hundred thirteen million, three hundred thirty thousand, two hundred thirty-three".

Divisors: 1 7 179 229 1253 1603 40991 286937 429409 3005863 76864211 98334661 538049477 688342627 17601904319 123213330233