123030140145133 has 4 divisors (see below), whose sum is σ = 132493997079388. Its totient is φ = 113566283210880.

The previous prime is 123030140145109. The next prime is 123030140145151. The reversal of 123030140145133 is 331541041030321.

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 7142266940004 + 115887873205129 = 2672502^2 + 10765123^2 .

It is a cyclic number.

It is not a de Polignac number, because 123030140145133 - 2³⁷ = 122892701191661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123030140145095 and 123030140145104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030140145193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731928467108 + ... + 4731928467133.

It is an arithmetic number, because the mean of its divisors is an integer number (33123499269847).

Almost surely, 2^{123030140145133} is an apocalyptic number.

123030140145133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123030140145133 is a deficient number, since it is larger than the sum of its proper divisors (9463856934255).

123030140145133 is an equidigital number, since it uses as much as digits as its factorization.

123030140145133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463856934254.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 123030140145133 its reverse (331541041030321), we get a palindrome (454571181175454).

The spelling of 123030140145133 in words is "one hundred twenty-three trillion, thirty billion, one hundred forty million, one hundred forty-five thousand, one hundred thirty-three".