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23323111101312 = 2731138929994733
BaseRepresentation
bin1010100110110010101011…
…10000001001001110000000
310001120200000201021101210020
411103121111300021032000
511024111212420220222
6121334253405533440
74625016302230431
oct523312560111600
9101520021241706
1023323111101312
117482304203540
122748212874280
13100248aa310c9
145a8bb7825488
152a6a4abe265c
hex153655c09380

23323111101312 has 256 divisors, whose sum is σ = 67794667200000. Its totient is φ = 7045601239040.

The previous prime is 23323111101299. The next prime is 23323111101341. The reversal of 23323111101312 is 21310111132332.

It is a super-2 number, since 2×233231111013122 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4927762498 + ... + 4927767230.

It is an arithmetic number, because the mean of its divisors is an integer number (264822918750).

Almost surely, 223323111101312 is an apocalyptic number.

23323111101312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23323111101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33897333600000).

23323111101312 is an abundant number, since it is smaller than the sum of its proper divisors (44471556098688).

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

23323111101312 is a wasteful number, since it uses less digits than its factorization.

23323111101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149 (or 8137 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 23323111101312 its reverse (21310111132332), we get a palindrome (44633222233644).

The spelling of 23323111101312 in words is "twenty-three trillion, three hundred twenty-three billion, one hundred eleven million, one hundred one thousand, three hundred twelve".