5123804431 has 4 divisors (see below), whose sum is σ = 5200279192. Its totient is φ = 5047329672.

The previous prime is 5123804417. The next prime is 5123804447. The reversal of 5123804431 is 1344083215.

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 5123804431 - 2¹⁹ = 5123280143 is a prime.

It is a super-2 number, since 2×5123804431² = 52506743694270467522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5123804393 and 5123804402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123805431) 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, 38237280 + ... + 38237413.

It is an arithmetic number, because the mean of its divisors is an integer number (1300069798).

Almost surely, 2^5123804431 is an apocalyptic number.

5123804431 is a deficient number, since it is larger than the sum of its proper divisors (76474761).

5123804431 is an equidigital number, since it uses as much as digits as its factorization.

5123804431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76474760.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 5123804431 is about 71580.7546132339. The cubic root of 5123804431 is about 1723.9745420693.

Adding to 5123804431 its reverse (1344083215), we get a palindrome (6467887646).

The spelling of 5123804431 in words is "five billion, one hundred twenty-three million, eight hundred four thousand, four hundred thirty-one".