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123031120223000 = 2353111719475313901
BaseRepresentation
bin11011111110010101101010…
…001101111001101100011000
3121010121122211022020102211102
4123332111222031321230120
5112111220213234114000
61113355414422450532
734625463565031333
oct3376255215715430
9533548738212742
10123031120223000
1136224228a51050
1211970309293a48
135385a284333c2
142254a4909561a
15e354c60013d5
hex6fe56a379b18

123031120223000 has 1024 divisors, whose sum is σ = 364260337459200. Its totient is φ = 38302617600000.

The previous prime is 123031120222979. The next prime is 123031120223069. The reversal of 123031120223000 is 322021130321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 8850516050 + ... + 8850529950.

It is an arithmetic number, because the mean of its divisors is an integer number (355722985800).

Almost surely, 2123031120223000 is an apocalyptic number.

123031120223000 is a gapful number since it is divisible by the number (10) 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 123031120223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182130168729600).

123031120223000 is an abundant number, since it is smaller than the sum of its proper divisors (241229217236200).

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

123031120223000 is a wasteful number, since it uses less digits than its factorization.

123031120223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069 (or 14055 counting only the distinct ones).

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

Adding to 123031120223000 its reverse (322021130321), we get a palindrome (123353141353321).

The spelling of 123031120223000 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred twenty million, two hundred twenty-three thousand".