123011323301 has 4 divisors (see below), whose sum is σ = 127253093100. Its totient is φ = 118769553504.

The previous prime is 123011323289. The next prime is 123011323373. The reversal of 123011323301 is 103323110321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30565528900 + 92445794401 = 174830^2 + 304049^2 .

It is a cyclic number.

It is not a de Polignac number, because 123011323301 - 2³⁰ = 121937581477 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 (123011328301) 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, 2120884856 + ... + 2120884913.

It is an arithmetic number, because the mean of its divisors is an integer number (31813273275).

Almost surely, 2^123011323301 is an apocalyptic number.

It is an amenable number.

123011323301 is a deficient number, since it is larger than the sum of its proper divisors (4241769799).

123011323301 is an equidigital number, since it uses as much as digits as its factorization.

123011323301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241769798.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123011323301 its reverse (103323110321), we get a palindrome (226334433622).

The spelling of 123011323301 in words is "one hundred twenty-three billion, eleven million, three hundred twenty-three thousand, three hundred one".