4351231313123 has 4 divisors (see below), whose sum is σ = 4457358906168. Its totient is φ = 4245103720080.

The previous prime is 4351231313111. The next prime is 4351231313167. The reversal of 4351231313123 is 3213131321534.

4351231313123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4351231313123 - 2³⁰ = 4350157571299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4351231313123.

It is not an unprimeable number, because it can be changed into a prime (4351239313123) 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, 53063796461 + ... + 53063796542.

It is an arithmetic number, because the mean of its divisors is an integer number (1114339726542).

Almost surely, 2^{4351231313123} is an apocalyptic number.

4351231313123 is a deficient number, since it is larger than the sum of its proper divisors (106127593045).

4351231313123 is a wasteful number, since it uses less digits than its factorization.

4351231313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106127593044.

The product of its digits is 19440, while the sum is 32.

Adding to 4351231313123 its reverse (3213131321534), we get a palindrome (7564362634657).

The spelling of 4351231313123 in words is "four trillion, three hundred fifty-one billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-three".