123045333121 has 4 divisors (see below), whose sum is σ = 123046996144. Its totient is φ = 123043670100.

The previous prime is 123045333079. The next prime is 123045333161. The reversal of 123045333121 is 121333540321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123045333121 - 2¹⁵ = 123045300353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123045333121.

It is not an unprimeable number, because it can be changed into a prime (123045333161) 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, 715095 + ... + 870316.

It is an arithmetic number, because the mean of its divisors is an integer number (30761749036).

Almost surely, 2^123045333121 is an apocalyptic number.

It is an amenable number.

123045333121 is a deficient number, since it is larger than the sum of its proper divisors (1663023).

123045333121 is an equidigital number, since it uses as much as digits as its factorization.

123045333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663022.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 123045333121 its reverse (121333540321), we get a palindrome (244378873442).

The spelling of 123045333121 in words is "one hundred twenty-three billion, forty-five million, three hundred thirty-three thousand, one hundred twenty-one".