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123230231102 = 2112509215831
BaseRepresentation
bin111001011000100011…
…0000001101000111110
3102210002010102100112102
41302301012001220332
54004333414343402
6132340003305102
711621521452536
oct1626106015076
9383063370472
10123230231102
1148297286600
121ba7167b192
13b80b4ac114
145d703604c6
153313876102
hex1cb1181a3e

123230231102 has 12 divisors (see below), whose sum is σ = 203177116968. Its totient is φ = 56013741300.

The previous prime is 123230231099. The next prime is 123230231107. The reversal of 123230231102 is 201132032321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123230231107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254607674 + ... + 254608157.

It is an arithmetic number, because the mean of its divisors is an integer number (16931426414).

Almost surely, 2123230231102 is an apocalyptic number.

123230231102 is a deficient number, since it is larger than the sum of its proper divisors (79946885866).

123230231102 is a wasteful number, since it uses less digits than its factorization.

123230231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509215855 (or 509215844 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123230231102 its reverse (201132032321), we get a palindrome (324362263423).

The spelling of 123230231102 in words is "one hundred twenty-three billion, two hundred thirty million, two hundred thirty-one thousand, one hundred two".

Divisors: 1 2 11 22 121 242 509215831 1018431662 5601374141 11202748282 61615115551 123230231102