123068020145 has 16 divisors (see below), whose sum is σ = 170327435520. Its totient is φ = 83615281344.

The previous prime is 123068020139. The next prime is 123068020211. The reversal of 123068020145 is 541020860321.

It is not a de Polignac number, because 123068020145 - 2⁴ = 123068020129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16125677 + ... + 16133306.

It is an arithmetic number, because the mean of its divisors is an integer number (10645464720).

Almost surely, 2^123068020145 is an apocalyptic number.

It is an amenable number.

123068020145 is a deficient number, since it is larger than the sum of its proper divisors (47259415375).

123068020145 is a wasteful number, since it uses less digits than its factorization.

123068020145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32259104.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 123068020145 its reverse (541020860321), we get a palindrome (664088880466).

The spelling of 123068020145 in words is "one hundred twenty-three billion, sixty-eight million, twenty thousand, one hundred forty-five".