123411034111 has 4 divisors (see below), whose sum is σ = 125252989912. Its totient is φ = 121569078312.

The previous prime is 123411034067. The next prime is 123411034147. The reversal of 123411034111 is 111430114321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123411034111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123411034181) 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, 920977800 + ... + 920977933.

It is an arithmetic number, because the mean of its divisors is an integer number (31313247478).

Almost surely, 2^123411034111 is an apocalyptic number.

123411034111 is a deficient number, since it is larger than the sum of its proper divisors (1841955801).

123411034111 is an equidigital number, since it uses as much as digits as its factorization.

123411034111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841955800.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 123411034111 its reverse (111430114321), we get a palindrome (234841148432).

The spelling of 123411034111 in words is "one hundred twenty-three billion, four hundred eleven million, thirty-four thousand, one hundred eleven".