123002050243 has 4 divisors (see below), whose sum is σ = 123004636768. Its totient is φ = 122999463720.

The previous prime is 123002050207. The next prime is 123002050277. The reversal of 123002050243 is 342050200321.

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

It is a cyclic number.

It is not a de Polignac number, because 123002050243 - 2¹⁷ = 123001919171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123002050043) 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, 1220568 + ... + 1317493.

It is an arithmetic number, because the mean of its divisors is an integer number (30751159192).

Almost surely, 2^123002050243 is an apocalyptic number.

123002050243 is a deficient number, since it is larger than the sum of its proper divisors (2586525).

123002050243 is an equidigital number, since it uses as much as digits as its factorization.

123002050243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586524.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 123002050243 its reverse (342050200321), we get a palindrome (465052250564).

The spelling of 123002050243 in words is "one hundred twenty-three billion, two million, fifty thousand, two hundred forty-three".