123000330243 has 8 divisors (see below), whose sum is σ = 187429074688. Its totient is φ = 70285902984.

The previous prime is 123000330169. The next prime is 123000330247. The reversal of 123000330243 is 342033000321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123000330243 - 2⁹ = 123000329731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5857158583 = 123000330243 / (1 + 2 + 3 + 0 + 0 + 0 + 3 + 3 + 0 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123000330247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928579271 + ... + 2928579312.

It is an arithmetic number, because the mean of its divisors is an integer number (23428634336).

Almost surely, 2^123000330243 is an apocalyptic number.

123000330243 is a deficient number, since it is larger than the sum of its proper divisors (64428744445).

123000330243 is an equidigital number, since it uses as much as digits as its factorization.

123000330243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857158593.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 123000330243 its reverse (342033000321), we get a palindrome (465033330564).

The spelling of 123000330243 in words is "one hundred twenty-three billion, three hundred thirty thousand, two hundred forty-three".