123230231101 has 4 divisors (see below), whose sum is σ = 123235053052. Its totient is φ = 123225409152.

The previous prime is 123230231099. The next prime is 123230231107. The reversal of 123230231101 is 101132032321.

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 80740654201 + 42489576900 = 284149^2 + 206130^2 .

It is a cyclic number.

It is not a de Polignac number, because 123230231101 - 2¹ = 123230231099 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 (123230231107) 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, 2372436 + ... + 2423821.

It is an arithmetic number, because the mean of its divisors is an integer number (30808763263).

Almost surely, 2^123230231101 is an apocalyptic number.

It is an amenable number.

123230231101 is a deficient number, since it is larger than the sum of its proper divisors (4821951).

123230231101 is an equidigital number, since it uses as much as digits as its factorization.

123230231101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821950.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123230231101 its reverse (101132032321), we get a palindrome (224362263422).

The spelling of 123230231101 in words is "one hundred twenty-three billion, two hundred thirty million, two hundred thirty-one thousand, one hundred one".