5131123063 has 12 divisors (see below), whose sum is σ = 5737465944. Its totient is φ = 4550868800.

The previous prime is 5131123051. The next prime is 5131123093. The reversal of 5131123063 is 3603211315.

It is not a de Polignac number, because 5131123063 - 2⁹ = 5131122551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131123003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120256 + ... + 157237.

It is an arithmetic number, because the mean of its divisors is an integer number (478122162).

Almost surely, 2^5131123063 is an apocalyptic number.

5131123063 is a deficient number, since it is larger than the sum of its proper divisors (606342881).

5131123063 is a wasteful number, since it uses less digits than its factorization.

5131123063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277586 (or 277545 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 5131123063 is about 71631.8578776231. The cubic root of 5131123063 is about 1724.7949697363.

Adding to 5131123063 its reverse (3603211315), we get a palindrome (8734334378).

The spelling of 5131123063 in words is "five billion, one hundred thirty-one million, one hundred twenty-three thousand, sixty-three".