123300012331 has 4 divisors (see below), whose sum is σ = 125626427712. Its totient is φ = 120973596952.

The previous prime is 123300012307. The next prime is 123300012337. The reversal of 123300012331 is 133210003321.

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

It is a cyclic number.

It is not a de Polignac number, because 123300012331 - 2⁷ = 123300012203 is a prime.

It is a super-2 number, since 2×123300012331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123300012299 and 123300012308.

It is not an unprimeable number, because it can be changed into a prime (123300012337) 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, 1163207611 + ... + 1163207716.

It is an arithmetic number, because the mean of its divisors is an integer number (31406606928).

Almost surely, 2^123300012331 is an apocalyptic number.

123300012331 is a deficient number, since it is larger than the sum of its proper divisors (2326415381).

123300012331 is an equidigital number, since it uses as much as digits as its factorization.

123300012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326415380.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123300012331 its reverse (133210003321), we get a palindrome (256510015652).

The spelling of 123300012331 in words is "one hundred twenty-three billion, three hundred million, twelve thousand, three hundred thirty-one".