123330232001 has 4 divisors (see below), whose sum is σ = 123331874004. Its totient is φ = 123328590000.

The previous prime is 123330231989. The next prime is 123330232007. The reversal of 123330232001 is 100232033321.

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 74760683776 + 48569548225 = 273424^2 + 220385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123330232001 is a prime.

It is a super-2 number, since 2×123330232001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123330232007) 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, 702650 + ... + 860451.

It is an arithmetic number, because the mean of its divisors is an integer number (30832968501).

Almost surely, 2^123330232001 is an apocalyptic number.

It is an amenable number.

123330232001 is a deficient number, since it is larger than the sum of its proper divisors (1642003).

123330232001 is an equidigital number, since it uses as much as digits as its factorization.

123330232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642002.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123330232001 its reverse (100232033321), we get a palindrome (223562265322).

The spelling of 123330232001 in words is "one hundred twenty-three billion, three hundred thirty million, two hundred thirty-two thousand, one".