123011320301 has 4 divisors (see below), whose sum is σ = 123247427004. Its totient is φ = 122775213600.

The previous prime is 123011320291. The next prime is 123011320321. The reversal of 123011320301 is 103023110321.

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 43963186276 + 79048134025 = 209674^2 + 281155^2 .

It is a cyclic number.

It is not a de Polignac number, because 123011320301 - 2²⁶ = 122944211437 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 123011320301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118052570 + ... + 118053611.

It is an arithmetic number, because the mean of its divisors is an integer number (30811856751).

Almost surely, 2^123011320301 is an apocalyptic number.

It is an amenable number.

123011320301 is a deficient number, since it is larger than the sum of its proper divisors (236106703).

123011320301 is an equidigital number, since it uses as much as digits as its factorization.

123011320301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236106702.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123011320301 its reverse (103023110321), we get a palindrome (226034430622).

The spelling of 123011320301 in words is "one hundred twenty-three billion, eleven million, three hundred twenty thousand, three hundred one".