133030232123 has 16 divisors (see below), whose sum is σ = 140615516160. Its totient is φ = 125707814496.

The previous prime is 133030232117. The next prime is 133030232143. The reversal of 133030232123 is 321232030331.

It is a cyclic number.

It is not a de Polignac number, because 133030232123 - 2¹⁴ = 133030215739 is a prime.

It is a super-2 number, since 2×133030232123² (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 (133030232143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185915 + ... + 548292.

It is an arithmetic number, because the mean of its divisors is an integer number (8788469760).

Almost surely, 2^133030232123 is an apocalyptic number.

133030232123 is a deficient number, since it is larger than the sum of its proper divisors (7585284037).

133030232123 is an equidigital number, since it uses as much as digits as its factorization.

133030232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734386.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 133030232123 its reverse (321232030331), we get a palindrome (454262262454).

The spelling of 133030232123 in words is "one hundred thirty-three billion, thirty million, two hundred thirty-two thousand, one hundred twenty-three".