5123731 has 4 divisors (see below), whose sum is σ = 5128264. Its totient is φ = 5119200.

The previous prime is 5123719. The next prime is 5123743. The reversal of 5123731 is 1373215.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (5123719) and next prime (5123743).

It is a cyclic number.

It is not a de Polignac number, because 5123731 - 2⁷ = 5123603 is a prime.

It is a super-2 number, since 2×5123731² = 52505238720722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5123761) 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, 976 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (1282066).

Almost surely, 2^5123731 is an apocalyptic number.

5123731 is a deficient number, since it is larger than the sum of its proper divisors (4533).

5123731 is a wasteful number, since it uses less digits than its factorization.

5123731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532.

The product of its digits is 630, while the sum is 22.

The square root of 5123731 is about 2263.5659919693. The cubic root of 5123731 is about 172.3966306406.

Adding to 5123731 its reverse (1373215), we get a palindrome (6496946).

The spelling of 5123731 in words is "five million, one hundred twenty-three thousand, seven hundred thirty-one".