5531020423 has 4 divisors (see below), whose sum is σ = 5531171400. Its totient is φ = 5530869448.

The previous prime is 5531020421. The next prime is 5531020457. The reversal of 5531020423 is 3240201355.

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 a cyclic number.

It is not a de Polignac number, because 5531020423 - 2¹ = 5531020421 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 (5531020421) 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, 18336 + ... + 106762.

It is an arithmetic number, because the mean of its divisors is an integer number (1382792850).

Almost surely, 2^5531020423 is an apocalyptic number.

5531020423 is a deficient number, since it is larger than the sum of its proper divisors (150977).

5531020423 is an equidigital number, since it uses as much as digits as its factorization.

5531020423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150976.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 5531020423 is about 74370.8304579154. The cubic root of 5531020423 is about 1768.4865208251.

Adding to 5531020423 its reverse (3240201355), we get a palindrome (8771221778).

The spelling of 5531020423 in words is "five billion, five hundred thirty-one million, twenty thousand, four hundred twenty-three".