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23023113133212 = 22325312066621139
BaseRepresentation
bin1010011110000011111000…
…11110101101110010011100
310000111222200100011121021200
411033001330132231302130
511004202313430230322
6120544401104155500
74564236130460013
oct517017436556234
9100458610147250
1023023113133212
1173770581748a5
1226ba04a008b90
13cb00bb46430a
14598478a91a7a
1529dd3d7d58ac
hex14f07c7adc9c

23023113133212 has 36 divisors (see below), whose sum is σ = 59295376281960. Its totient is φ = 7529571590112.

The previous prime is 23023113133147. The next prime is 23023113133271. The reversal of 23023113133212 is 21233131132032.

23023113133212 is a `hidden beast` number, since 2 + 3 + 0 + 2 + 311 + 3 + 1 + 332 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6033308662 + ... + 6033312477.

It is an arithmetic number, because the mean of its divisors is an integer number (1647093785610).

Almost surely, 223023113133212 is an apocalyptic number.

It is an amenable number.

23023113133212 is an abundant number, since it is smaller than the sum of its proper divisors (36272263148748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23023113133212 is a wasteful number, since it uses less digits than its factorization.

23023113133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12066621202 (or 12066621197 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 23023113133212 its reverse (21233131132032), we get a palindrome (44256244265244).

The spelling of 23023113133212 in words is "twenty-three trillion, twenty-three billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 954 1908 12066621139 24133242278 36199863417 48266484556 72399726834 108599590251 144799453668 217199180502 434398361004 639530920367 1279061840734 1918592761101 2558123681468 3837185522202 5755778283303 7674371044404 11511556566606 23023113133212