5523720431 has 2 divisors, whose sum is σ = 5523720432. Its totient is φ = 5523720430.

The previous prime is 5523720421. The next prime is 5523720437. The reversal of 5523720431 is 1340273255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5523720431 - 2¹⁴ = 5523704047 is a prime.

It is a super-2 number, since 2×5523720431² = 61022974799693651522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5523720437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2761860215 + 2761860216.

It is an arithmetic number, because the mean of its divisors is an integer number (2761860216).

Almost surely, 2^5523720431 is an apocalyptic number.

5523720431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5523720431 is an equidigital number, since it uses as much as digits as its factorization.

5523720431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 5523720431 is about 74321.7359256362. The cubic root of 5523720431 is about 1767.7081459946.

Adding to 5523720431 its reverse (1340273255), we get a palindrome (6863993686).

The spelling of 5523720431 in words is "five billion, five hundred twenty-three million, seven hundred twenty thousand, four hundred thirty-one".