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1230233320123 = 2335279971331
BaseRepresentation
bin10001111001101111100…
…111101011101010111011
311100121110002000220101121
4101321233213223222323
5130124004212220443
62341054505330111
7154611220453333
oct21715747535273
94317402026347
101230233320123
11434814700a75
1217a516796937
138c01a102342
144378794a0c3
15220040514ed
hex11e6f9ebabb

1230233320123 has 4 divisors (see below), whose sum is σ = 1235513291688. Its totient is φ = 1224953348560.

The previous prime is 1230233320111. The next prime is 1230233320133. The reversal of 1230233320123 is 3210233320321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1230233320123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230233320103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639985433 + ... + 2639985898.

It is an arithmetic number, because the mean of its divisors is an integer number (308878322922).

Almost surely, 21230233320123 is an apocalyptic number.

1230233320123 is a deficient number, since it is larger than the sum of its proper divisors (5279971565).

1230233320123 is an equidigital number, since it uses as much as digits as its factorization.

1230233320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279971564.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1230233320123 its reverse (3210233320321), we get a palindrome (4440466640444).

The spelling of 1230233320123 in words is "one trillion, two hundred thirty billion, two hundred thirty-three million, three hundred twenty thousand, one hundred twenty-three".

Divisors: 1 233 5279971331 1230233320123