232130321123 has 4 divisors (see below), whose sum is σ = 237528700728. Its totient is φ = 226731941520.

The previous prime is 232130321113. The next prime is 232130321177. The reversal of 232130321123 is 321123031232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232130321123 is a prime.

It is a super-2 number, since 2×232130321123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232130321113) 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, 2699189738 + ... + 2699189823.

It is an arithmetic number, because the mean of its divisors is an integer number (59382175182).

Almost surely, 2^232130321123 is an apocalyptic number.

232130321123 is a deficient number, since it is larger than the sum of its proper divisors (5398379605).

232130321123 is an equidigital number, since it uses as much as digits as its factorization.

232130321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5398379604.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 232130321123 its reverse (321123031232), we get a palindrome (553253352355).

The spelling of 232130321123 in words is "two hundred thirty-two billion, one hundred thirty million, three hundred twenty-one thousand, one hundred twenty-three".