123010311043111 has 4 divisors (see below), whose sum is σ = 123130791270424. Its totient is φ = 122889830815800.

The previous prime is 123010311043093. The next prime is 123010311043121. The reversal of 123010311043111 is 111340113010321.

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 123010311043111 - 2⁵ = 123010311043079 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 (123010311043121) 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, 60240112125 + ... + 60240114166.

It is an arithmetic number, because the mean of its divisors is an integer number (30782697817606).

Almost surely, 2^{123010311043111} is an apocalyptic number.

123010311043111 is a deficient number, since it is larger than the sum of its proper divisors (120480227313).

123010311043111 is a wasteful number, since it uses less digits than its factorization.

123010311043111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120480227312.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 123010311043111 its reverse (111340113010321), we get a palindrome (234350424053432).

The spelling of 123010311043111 in words is "one hundred twenty-three trillion, ten billion, three hundred eleven million, forty-three thousand, one hundred eleven".