133311203230123 has 4 divisors (see below), whose sum is σ = 133388664709608. Its totient is φ = 133233741750640.

The previous prime is 133311203230099. The next prime is 133311203230147. The reversal of 133311203230123 is 321032302113331.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (133311203230099) and next prime (133311203230147).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133311203230123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133311203230091 and 133311203230100.

It is not an unprimeable number, because it can be changed into a prime (133311203237123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38730737161 + ... + 38730740602.

It is an arithmetic number, because the mean of its divisors is an integer number (33347166177402).

Almost surely, 2^{133311203230123} is an apocalyptic number.

133311203230123 is a deficient number, since it is larger than the sum of its proper divisors (77461479485).

133311203230123 is an equidigital number, since it uses as much as digits as its factorization.

133311203230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77461479484.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 133311203230123 its reverse (321032302113331), we get a palindrome (454343505343454).

The spelling of 133311203230123 in words is "one hundred thirty-three trillion, three hundred eleven billion, two hundred three million, two hundred thirty thousand, one hundred twenty-three".