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23203440342112 = 253123390564861
BaseRepresentation
bin1010100011010011110001…
…10100011011010001100000
310001011020010122121221202111
411101221320310123101200
511020131121211421422
6121203302514125104
74613251611451642
oct521517064332140
9101136118557674
1023203440342112
117436584184958
122728b95280794
13cc40c8b120a4
145a30a4104892
152a3894ac4a77
hex151a78d1b460

23203440342112 has 24 divisors (see below), whose sum is σ = 47155378761792. Its totient is φ = 11227471132800.

The previous prime is 23203440342109. The next prime is 23203440342133. The reversal of 23203440342112 is 21124304430232.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11695281439 + ... + 11695283422.

It is an arithmetic number, because the mean of its divisors is an integer number (1964807448408).

Almost surely, 223203440342112 is an apocalyptic number.

It is an amenable number.

23203440342112 is an abundant number, since it is smaller than the sum of its proper divisors (23951938419680).

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

23203440342112 is a wasteful number, since it uses less digits than its factorization.

23203440342112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23390564902 (or 23390564894 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 23203440342112 its reverse (21124304430232), we get a palindrome (44327744772344).

The spelling of 23203440342112 in words is "twenty-three trillion, two hundred three billion, four hundred forty million, three hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 23390564861 46781129722 93562259444 187124518888 374249037776 725107510691 748498075552 1450215021382 2900430042764 5800860085528 11601720171056 23203440342112