5531623123 has 16 divisors (see below), whose sum is σ = 6088763520. Its totient is φ = 4993462656.

The previous prime is 5531623109. The next prime is 5531623129. The reversal of 5531623123 is 3213261355.

It is not a de Polignac number, because 5531623123 - 2⁹ = 5531622611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5531623129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972933 + ... + 978601.

It is an arithmetic number, because the mean of its divisors is an integer number (380547720).

Almost surely, 2^5531623123 is an apocalyptic number.

5531623123 is a deficient number, since it is larger than the sum of its proper divisors (557140397).

5531623123 is a wasteful number, since it uses less digits than its factorization.

5531623123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326.

The product of its digits is 16200, while the sum is 31.

The square root of 5531623123 is about 74374.8823394027. The cubic root of 5531623123 is about 1768.5507541872.

Adding to 5531623123 its reverse (3213261355), we get a palindrome (8744884478).

The spelling of 5531623123 in words is "five billion, five hundred thirty-one million, six hundred twenty-three thousand, one hundred twenty-three".