123330131 has 4 divisors (see below), whose sum is σ = 124158000. Its totient is φ = 122502264.

The previous prime is 123330107. The next prime is 123330161. The reversal of 123330131 is 131033321.

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 123330131 - 2¹⁴ = 123313747 is a prime.

It is a super-2 number, since 2×123330131² = 30420642424954322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123330101) 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, 413711 + ... + 414008.

It is an arithmetic number, because the mean of its divisors is an integer number (31039500).

Almost surely, 2^123330131 is an apocalyptic number.

123330131 is a deficient number, since it is larger than the sum of its proper divisors (827869).

123330131 is an equidigital number, since it uses as much as digits as its factorization.

123330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827868.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 123330131 is about 11105.4099879293. The cubic root of 123330131 is about 497.7635192228.

Adding to 123330131 its reverse (131033321), we get a palindrome (254363452).

The spelling of 123330131 in words is "one hundred twenty-three million, three hundred thirty thousand, one hundred thirty-one".