123310331033 has 4 divisors (see below), whose sum is σ = 124210406580. Its totient is φ = 122410255488.

The previous prime is 123310330987. The next prime is 123310331077. The reversal of 123310331033 is 330133013321.

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 22762360384 + 100547970649 = 150872^2 + 317093^2 .

It is a cyclic number.

It is not a de Polignac number, because 123310331033 - 2¹⁰ = 123310330009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123310331233) 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, 450037568 + ... + 450037841.

It is an arithmetic number, because the mean of its divisors is an integer number (31052601645).

Almost surely, 2^123310331033 is an apocalyptic number.

It is an amenable number.

123310331033 is a deficient number, since it is larger than the sum of its proper divisors (900075547).

123310331033 is an equidigital number, since it uses as much as digits as its factorization.

123310331033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900075546.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 123310331033 its reverse (330133013321), we get a palindrome (453443344354).

The spelling of 123310331033 in words is "one hundred twenty-three billion, three hundred ten million, three hundred thirty-one thousand, thirty-three".