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1230123214320 = 24357111337138389
BaseRepresentation
bin10001111001101001000…
…011101010010111110000
311100121011101211221121220
4101321221003222113300
5130123243020324240
62341035533345040
7154605412541220
oct21715103522760
94317141757556
101230123214320
11434768537940
1217a4a5938180
138c000360a90
1443777088080
1521ee95525d0
hex11e690ea5f0

1230123214320 has 640 divisors, whose sum is σ = 5258483435520. Its totient is φ = 229569085440.

The previous prime is 1230123214289. The next prime is 1230123214361. The reversal of 1230123214320 is 234123210321.

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 127 ways as a sum of consecutive naturals, for example, 8819686 + ... + 8958074.

It is an arithmetic number, because the mean of its divisors is an integer number (8216380368).

Almost surely, 21230123214320 is an apocalyptic number.

1230123214320 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 1230123214320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2629241717760).

1230123214320 is an abundant number, since it is smaller than the sum of its proper divisors (4028360221200).

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

1230123214320 is a wasteful number, since it uses less digits than its factorization.

1230123214320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138473 (or 138467 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1230123214320 its reverse (234123210321), we get a palindrome (1464246424641).

The spelling of 1230123214320 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, two hundred fourteen thousand, three hundred twenty".