123320411 has 4 divisors (see below), whose sum is σ = 128682192. Its totient is φ = 117958632.

The previous prime is 123320381. The next prime is 123320459. The reversal of 123320411 is 114023321.

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 123320411 - 2¹⁰ = 123319387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123320411.

It is not an unprimeable number, because it can be changed into a prime (123320471) 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, 2680856 + ... + 2680901.

It is an arithmetic number, because the mean of its divisors is an integer number (32170548).

Almost surely, 2^123320411 is an apocalyptic number.

123320411 is a deficient number, since it is larger than the sum of its proper divisors (5361781).

123320411 is an equidigital number, since it uses as much as digits as its factorization.

123320411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361780.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 123320411 is about 11104.9723547607. The cubic root of 123320411 is about 497.7504421576.

Adding to 123320411 its reverse (114023321), we get a palindrome (237343732).

The spelling of 123320411 in words is "one hundred twenty-three million, three hundred twenty thousand, four hundred eleven".