5231365123 has 4 divisors (see below), whose sum is σ = 5253253920. Its totient is φ = 5209476328.

The previous prime is 5231365121. The next prime is 5231365147. The reversal of 5231365123 is 3215631325.

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 5231365123 - 2¹ = 5231365121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5231365121) 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, 10944040 + ... + 10944517.

It is an arithmetic number, because the mean of its divisors is an integer number (1313313480).

Almost surely, 2^5231365123 is an apocalyptic number.

5231365123 is a deficient number, since it is larger than the sum of its proper divisors (21888797).

5231365123 is a wasteful number, since it uses less digits than its factorization.

5231365123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21888796.

The product of its digits is 16200, while the sum is 31.

The square root of 5231365123 is about 72328.1765496684. The cubic root of 5231365123 is about 1735.9545249676.

Adding to 5231365123 its reverse (3215631325), we get a palindrome (8446996448).

The spelling of 5231365123 in words is "five billion, two hundred thirty-one million, three hundred sixty-five thousand, one hundred twenty-three".