123303101 has 4 divisors (see below), whose sum is σ = 123344604. Its totient is φ = 123261600.

The previous prime is 123303053. The next prime is 123303109. The reversal of 123303101 is 101303321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101303321 = 7 ⋅14471903.

It can be written as a sum of positive squares in 2 ways, for example, as 110271001 + 13032100 = 10501^2 + 3610^2 .

It is a cyclic number.

It is not a de Polignac number, because 123303101 - 2¹⁴ = 123286717 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 (123303109) 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, 15920 + ... + 22361.

It is an arithmetic number, because the mean of its divisors is an integer number (30836151).

Almost surely, 2^123303101 is an apocalyptic number.

It is an amenable number.

123303101 is a deficient number, since it is larger than the sum of its proper divisors (41503).

123303101 is an equidigital number, since it uses as much as digits as its factorization.

123303101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41502.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 123303101 is about 11104.1929468107. The cubic root of 123303101 is about 497.7271519786.

Adding to 123303101 its reverse (101303321), we get a palindrome (224606422).

The spelling of 123303101 in words is "one hundred twenty-three million, three hundred three thousand, one hundred one".