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1230323310320 = 2451323313744843
BaseRepresentation
bin10001111001110100111…
…110111101111011110000
311100121200100100212201212
4101321310332331323300
5130124200231412240
62341111442215252
7154613362405406
oct21716476757360
94317610325655
101230323310320
11434860485a35
1217a540954528
138c03294c990
1443795893476
152200bdca165
hex11e74fbdef0

1230323310320 has 320 divisors, whose sum is σ = 3407925878784. Its totient is φ = 409131233280.

The previous prime is 1230323310319. The next prime is 1230323310329. The reversal of 1230323310320 is 230133230321.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230323310329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27413819 + ... + 27458661.

Almost surely, 21230323310320 is an apocalyptic number.

1230323310320 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 1230323310320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703962939392).

1230323310320 is an abundant number, since it is smaller than the sum of its proper divisors (2177602568464).

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

1230323310320 is a wasteful number, since it uses less digits than its factorization.

1230323310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44960 (or 44954 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1230323310320 its reverse (230133230321), we get a palindrome (1460456540641).

The spelling of 1230323310320 in words is "one trillion, two hundred thirty billion, three hundred twenty-three million, three hundred ten thousand, three hundred twenty".