123031411 has 4 divisors (see below), whose sum is σ = 123053632. Its totient is φ = 123009192.

The previous prime is 123031409. The next prime is 123031417. The reversal of 123031411 is 114130321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 114130321 = 19 ⋅6006859.

It is a cyclic number.

It is not a de Polignac number, because 123031411 - 2¹ = 123031409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123031417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4606 + ... + 16348.

It is an arithmetic number, because the mean of its divisors is an integer number (30763408).

Almost surely, 2^123031411 is an apocalyptic number.

123031411 is a deficient number, since it is larger than the sum of its proper divisors (22221).

123031411 is a wasteful number, since it uses less digits than its factorization.

123031411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22220.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 123031411 is about 11091.9525332558. The cubic root of 123031411 is about 497.3613138337.

Adding to 123031411 its reverse (114130321), we get a palindrome (237161732).

The spelling of 123031411 in words is "one hundred twenty-three million, thirty-one thousand, four hundred eleven".