123045143120011 has 16 divisors (see below), whose sum is σ = 143763637326336. Its totient is φ = 103134783191616.

The previous prime is 123045143119961. The next prime is 123045143120027. The reversal of 123045143120011 is 110021341540321.

It is a cyclic number.

It is not a de Polignac number, because 123045143120011 - 2⁹ = 123045143119499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123045143120041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957440791 + ... + 957569296.

It is an arithmetic number, because the mean of its divisors is an integer number (8985227332896).

Almost surely, 2^{123045143120011} is an apocalyptic number.

123045143120011 is a deficient number, since it is larger than the sum of its proper divisors (20718494206325).

123045143120011 is a wasteful number, since it uses less digits than its factorization.

123045143120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915010298.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 123045143120011 its reverse (110021341540321), we get a palindrome (233066484660332).

The spelling of 123045143120011 in words is "one hundred twenty-three trillion, forty-five billion, one hundred forty-three million, one hundred twenty thousand, eleven".