123010011111 has 8 divisors (see below), whose sum is σ = 176629759600. Its totient is φ = 75698468352.

The previous prime is 123010011053. The next prime is 123010011161. The reversal of 123010011111 is 111110010321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123010011111 - 2²² = 123005816807 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 (123010011161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577051386 + ... + 1577051463.

It is an arithmetic number, because the mean of its divisors is an integer number (22078719950).

Almost surely, 2^123010011111 is an apocalyptic number.

123010011111 is a deficient number, since it is larger than the sum of its proper divisors (53619748489).

123010011111 is a wasteful number, since it uses less digits than its factorization.

123010011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154102865.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 123010011111 its reverse (111110010321), we get a palindrome (234120021432).

The spelling of 123010011111 in words is "one hundred twenty-three billion, ten million, eleven thousand, one hundred eleven".